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fish

Omnivore community fish

Species with an omnivore diet label — vary foods (dry, frozen, vegetable) to match species needs.

150 species

  • South America
    Adolf's catfish

    Adolf's catfish

    Corydoras adolfoi

    Temp22–26°C
    pH6–7
    Size5.7 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Adolf's catfish

    Corydoras adolfoi

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Almorha loach

    Almorha loach

    Botia almorhae

    Temp19–27.5°C
    pH6–7.5
    Size16 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Almorha loach

    Botia almorhae

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    3

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Asia
    Asian Stone Catfish

    Asian Stone Catfish

    Hara jerdoni

    Temp18–24°C
    pH5.6–7.6
    Size3 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Asian Stone Catfish

    Hara jerdoni

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    1
    Compare
  • South America
    Black neon tetra

    Black neon tetra

    Hyphessobrycon herbertaxelrodi

    Temp20–28°C
    pH5–7.5
    Size3.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Black neon tetra

    Hyphessobrycon herbertaxelrodi

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Upper Rio Madeira basin (Bolivia/Brazil), Pantanal
    Black phantom tetra

    Black phantom tetra

    Hyphessobrycon megalopterus

    Temp20–28°C
    pH5–7
    Size3.6 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Black phantom tetra

    Hyphessobrycon megalopterus

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Black ruby barb

    Black ruby barb

    Pethia nigrofasciata

    Temp20–27°C
    pH5.5–7.5
    Size5.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Black ruby barb

    Pethia nigrofasciata

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Black widow tetra

    Black widow tetra

    Gymnocorymbus ternetzi

    Temp20–26°C
    pH6–7
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Black widow tetra

    Gymnocorymbus ternetzi

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1

    Fin nipper — avoid with long-finned tankmates

    Compare
  • South America
    Blackline penguinfish

    Blackline penguinfish

    Thayeria boehlkei

    Temp22–28°C
    pH5.5–8
    Size3.6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Blackline penguinfish

    Thayeria boehlkei

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Asia
    Blackline rasbora

    Blackline rasbora

    Rasbora borapetensis

    Temp22–26°C
    pH6–7.5
    Size5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Blackline rasbora

    Rasbora borapetensis

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Upper Amazon basin (Brazil/Peru/Colombia)
    Bleeding-heart tetra

    Bleeding-heart tetra

    Hyphessobrycon erythrostigma

    Temp21–28°C
    pH4–7.5
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Bleeding-heart tetra

    Hyphessobrycon erythrostigma

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South America
    Blue acara

    Blue acara

    Andinoacara pulcher var.

    Temp22–28°C
    pH6.5–8
    Size16 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Blue acara

    Andinoacara pulcher var.

    Lifespan
    10 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • Asia
    Blue danio

    Blue danio

    Brachydanio kerri

    Temp18–26°C
    pH6.5–7.5
    Size4.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Blue danio

    Brachydanio kerri

    Lifespan
    4 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Africa
    Blue streak hap

    Blue streak hap

    Labidochromis caeruleus

    Temp24–28°C
    pH7.7–8.6
    Size10 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Blue streak hap

    Labidochromis caeruleus

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    3

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Asia
    Boeseman's rainbowfish

    Boeseman's rainbowfish

    Melanotaenia boesemani

    Temp27–30°C
    pH7–8
    Size11 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Boeseman's rainbowfish

    Melanotaenia boesemani

    Lifespan
    6 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • South America
    Bolivian Ram

    Bolivian Ram

    Mikrogeophagus altispinosus

    Temp24–28°C
    pH6–7.5
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Bolivian Ram

    Mikrogeophagus altispinosus

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Peninsular Malaysia, Singapore, Sumatra and Borneo
    Borneo Loach

    Borneo Loach

    Pangio shelfordii

    Temp21–26°C
    pH4–7
    Size8 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Borneo Loach

    Pangio shelfordii

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Bronze corydoras

    Bronze corydoras

    Corydoras aeneus

    Temp22–26°C
    pH6–8
    Size7.5 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Bronze corydoras

    Corydoras aeneus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Buenos Aires tetra

    Buenos Aires tetra

    Hyphessobrycon anisitsi

    Temp16–28°C
    pH5.5–8.5
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Buenos Aires tetra

    Hyphessobrycon anisitsi

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1

    Fin nipper — avoid with long-finned tankmates

    Compare
  • North America
    Butterfly splitfin

    Butterfly splitfin

    Ameca splendens

    Temp20–26°C
    pH7–8
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Butterfly splitfin

    Ameca splendens

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Sulawesi, Indonesia
    Cardinal Shrimp

    Cardinal Shrimp

    Caridina dennerli

    Temp26–30°C
    pH7.5–8.5
    Size2.5 cm
    DietOmnivore
    SwimBottom
    DifficultyExpert

    Cardinal Shrimp

    Caridina dennerli

    Lifespan
    2 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Cardinal tetra

    Cardinal tetra

    Paracheirodon axelrodi

    Temp23–29°C
    pH3.5–7.5
    Size3.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Cardinal tetra

    Paracheirodon axelrodi

    Lifespan
    4 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Celebes rainbowfish

    Celebes rainbowfish

    Marosatherina ladigesi

    Temp22–28°C
    pH7–8
    Size8 cm
    DietOmnivore
    SwimAll levels
    DifficultyModerate

    Celebes rainbowfish

    Marosatherina ladigesi

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Checkered barb

    Checkered barb

    Oliotius oligolepis

    Temp18–25°C
    pH5.5–7.5
    Size4.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Checkered barb

    Oliotius oligolepis

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Chen Hillstream Loach

    Chen Hillstream Loach

    Pseudogastromyzon cheni

    Temp20–25°C
    pH6.5–7.5
    Size5 cm
    DietOmnivore
    SwimBottom
    DifficultyHard

    Chen Hillstream Loach

    Pseudogastromyzon cheni

    Lifespan
    4 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Cherry barb

    Cherry barb

    Puntius titteya

    Temp20–27°C
    pH6–8
    Size5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Cherry barb

    Puntius titteya

    Lifespan
    4 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Taiwan (selectively bred from wild Neocaridina davidi)
    Cherry Shrimp

    Cherry Shrimp

    Neocaridina davidi

    Temp18–28°C
    pH6.5–8
    Size3 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Cherry Shrimp

    Neocaridina davidi

    Lifespan
    2 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Chessboard cichlid

    Chessboard cichlid

    Dicrossus filamentosus

    Temp27–30°C
    pH4.5–7
    Size10.2 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Chessboard cichlid

    Dicrossus filamentosus

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Asia
    Chinese algae-eater

    Chinese algae-eater

    Gyrinocheilus aymonieri

    Temp22–26°C
    pH6–8
    Size28 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Chinese algae-eater

    Gyrinocheilus aymonieri

    Lifespan
    15 yr
    Schooling
    Yes
    Aggression
    2

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Asia
    Chinese barb

    Chinese barb

    Barbodes semifasciolatus

    Temp16–24°C
    pH6–8
    Size7.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Chinese barb

    Barbodes semifasciolatus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • East Asia (China, Japan, Korea, Taiwan)
    Chinese Bitterling

    Chinese Bitterling

    Rhodeus ocellatus

    Temp18–24°C
    pH6.5–7
    Size9.2 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Chinese Bitterling

    Rhodeus ocellatus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Asia
    Clown rasbora

    Clown rasbora

    Rasbora kalochroma

    Temp23–28°C
    pH5–7.5
    Size10 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Clown rasbora

    Rasbora kalochroma

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Río Acandí, Chocó, Colombia
    Colombian Tetra

    Colombian Tetra

    Hyphessobrycon columbianus

    Temp20–28°C
    pH5–7.5
    Size6.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Colombian Tetra

    Hyphessobrycon columbianus

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Africa
    Congo tetra

    Congo tetra

    Phenacogrammus interruptus

    Temp23–28°C
    pH6–7.5
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Congo tetra

    Phenacogrammus interruptus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Central America
    Convict cichlid

    Convict cichlid

    Amatitlania nigrofasciata

    Temp24–28°C
    pH6–8
    Size15 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Convict cichlid

    Amatitlania nigrofasciata

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Peninsular Malaysia, Sumatra, Borneo
    Coolie loach

    Coolie loach

    Pangio semicincta

    Temp21–26°C
    pH5.5–6.5
    Size10 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Coolie loach

    Pangio semicincta

    Lifespan
    8 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Daisy's Rice Fish

    Daisy's Rice Fish

    Oryzias woworae

    Temp23–27°C
    pH6–7.5
    Size2.8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Daisy's Rice Fish

    Oryzias woworae

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Demon eartheater

    Demon eartheater

    Satanoperca jurupari

    Temp20–28°C
    pH5.5–7.5
    Size18.5 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Demon eartheater

    Satanoperca jurupari

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • Asia
    Denison barb

    Denison barb

    Sahyadria denisonii

    Temp15–25°C
    pH6.5–7.8
    Size11 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Denison barb

    Sahyadria denisonii

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Oceania
    Desert goby

    Desert goby

    Chlamydogobius eremius

    Temp20–28°C
    pH7–8.5
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Desert goby

    Chlamydogobius eremius

    Lifespan
    3 yr
    Schooling
    Solo OK
    Aggression
    1
    Compare
  • South America
    Diamond tetra

    Diamond tetra

    Moenkhausia pittieri

    Temp24–28°C
    pH5.5–7
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Diamond tetra

    Moenkhausia pittieri

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Dwarf danio

    Dwarf danio

    Danio nigrofasciatus

    Temp18–26°C
    pH6.5–7.5
    Size3.7 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Dwarf danio

    Danio nigrofasciatus

    Lifespan
    3 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South Asia (Pakistan, India, Bangladesh)
    Dwarf gourami

    Dwarf gourami

    Trichogaster lalius

    Temp22–27°C
    pH6–7.5
    Size8.8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Dwarf gourami

    Trichogaster lalius

    Lifespan
    4 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Indonesia (Mamberamo River, Papua)
    Dwarf rainbowfish

    Dwarf rainbowfish

    Melanotaenia praecox

    Temp23–28°C
    pH6.8–7.5
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Dwarf rainbowfish

    Melanotaenia praecox

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Asia
    Dwarf rasbora

    Dwarf rasbora

    Boraras maculatus

    Temp20–28°C
    pH5–6.5
    Size2.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Dwarf rasbora

    Boraras maculatus

    Lifespan
    3 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South America
    Electric blue ram

    Electric blue ram

    Mikrogeophagus ramirezi var.

    Temp26–30°C
    pH5–6
    Size4.2 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Electric blue ram

    Mikrogeophagus ramirezi var.

    Lifespan
    3 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Ember tetra

    Ember tetra

    Hyphessobrycon amandae

    Temp20–28°C
    pH5–7
    Size2 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Ember tetra

    Hyphessobrycon amandae

    Lifespan
    3 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Emerald Dwarf Rasbora

    Emerald Dwarf Rasbora

    Danio erythromicron

    Temp20–24°C
    pH7–8
    Size2 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Emerald Dwarf Rasbora

    Danio erythromicron

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Endlers guppy

    Endlers guppy

    Poecilia wingei

    Temp24–30°C
    pH7–8.5
    Size4.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Endlers guppy

    Poecilia wingei

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Asia
    Eyespot pufferfish

    Eyespot pufferfish

    Tetraodon biocellatus

    Temp22.2–26.1°C
    pH6.5–7.5
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Eyespot pufferfish

    Tetraodon biocellatus

    Lifespan
    10 yr
    Schooling
    Solo OK
    Aggression
    2
    Compare
  • Central America
    Firemouth cichlid

    Firemouth cichlid

    Thorichthys meeki

    Temp20–32°C
    pH6.5–8.5
    Size12 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Firemouth cichlid

    Thorichthys meeki

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Asia
    Fiveband barb

    Fiveband barb

    Desmopuntius pentazona

    Temp21–26°C
    pH4–7
    Size5.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Fiveband barb

    Desmopuntius pentazona

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Flying fox

    Flying fox

    Epalzeorhynchos kalopterum

    Temp20–26°C
    pH6–7.5
    Size16 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Flying fox

    Epalzeorhynchos kalopterum

    Lifespan
    12 yr
    Schooling
    Solo OK
    Aggression
    2

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Oceania
    Forktail rainbowfish

    Forktail rainbowfish

    Pseudomugil furcatus

    Temp24–28°C
    pH7–8
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Forktail rainbowfish

    Pseudomugil furcatus

    Lifespan
    3 yr
    Schooling
    Strong
    Aggression
    2
    Compare
  • South America
    Freshwater angelfish

    Freshwater angelfish

    Pterophyllum scalare

    Temp24–30°C
    pH6–7.5
    Size15 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Freshwater angelfish

    Pterophyllum scalare

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • Asia
    Galaxy rasbora

    Galaxy rasbora

    Danio margaritatus

    Temp20–26°C
    pH6.5–7.5
    Size2.1 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Galaxy rasbora

    Danio margaritatus

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Southeastern United States
    Ghost shrimp

    Ghost shrimp

    Palaemon paludosus

    Temp18–28°C
    pH6.5–8
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Ghost shrimp

    Palaemon paludosus

    Lifespan
    1 yr
    Schooling
    Pairs
    Aggression
    1
    Compare
  • Asia
    Giant danio

    Giant danio

    Devario aequipinnatus

    Temp22–27°C
    pH6–8
    Size15 cm
    DietOmnivore
    SwimAll levels
    DifficultyModerate

    Giant danio

    Devario aequipinnatus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Lower Mekong basin (Laos, Cambodia, Vietnam) and southeastern Thailand
    No image

    Giant kuhli loach

    Pangio myersi

    Temp21–26°C
    pH3.5–7
    Size10 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Giant kuhli loach

    Pangio myersi

    Lifespan
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Glass bloodfin

    Glass bloodfin

    Prionobrama filigera

    Temp23–27°C
    pH6–7.5
    Size6 cm
    DietOmnivore
    SwimTop
    DifficultyEasy

    Glass bloodfin

    Prionobrama filigera

    Lifespan
    7 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Glowlight Danio

    Glowlight Danio

    Danio choprae

    Temp16–26°C
    pH6.5–7.5
    Size3.1 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Glowlight Danio

    Danio choprae

    Lifespan
    4 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Glowlight tetra

    Glowlight tetra

    Hemigrammus erythrozonus

    Temp24–28°C
    pH5.5–7.5
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Glowlight tetra

    Hemigrammus erythrozonus

    Lifespan
    4 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Gold Nugget Pleco

    Gold Nugget Pleco

    Baryancistrus xanthellus

    Temp27–32°C
    pH6–8
    Size22.41 cm
    DietOmnivore
    SwimBottom
    DifficultyHard

    Gold Nugget Pleco

    Baryancistrus xanthellus

    Lifespan
    15 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • Asia
    Gold Ring Danio

    Gold Ring Danio

    Brachydanio tinwini

    Temp18–26°C
    pH6.5–7.5
    Size3 cm
    DietOmnivore
    SwimTop
    DifficultyModerate

    Gold Ring Danio

    Brachydanio tinwini

    Lifespan
    4 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Gold severum

    Gold severum

    Heros efasciatus var.

    Temp22–29°C
    pH5–6.5
    Size20 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Gold severum

    Heros efasciatus var.

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Africa
    Gold Shell Dweller

    Gold Shell Dweller

    Lamprologus ocellatus

    Temp23–27°C
    pH7.5–9
    Size5.8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Gold Shell Dweller

    Lamprologus ocellatus

    Lifespan
    8 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Central America
    Green swordtail

    Green swordtail

    Xiphophorus hellerii

    Temp16–28°C
    pH7–8
    Size16 cm
    DietOmnivore
    SwimAll levels
    DifficultyEasy

    Green swordtail

    Xiphophorus hellerii

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Green terror

    Green terror

    Andinoacara rivulatus

    Temp20–24°C
    pH6.5–8
    Size30 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Green terror

    Andinoacara rivulatus

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Guayas cichlid

    Guayas cichlid

    Cichlasoma festae

    Temp25–29°C
    pH7–8
    Size25 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Guayas cichlid

    Cichlasoma festae

    Lifespan
    12 yr
    Schooling
    Pairs
    Aggression
    3

    Fin nipper — avoid with long-finned tankmates

    Compare
  • South America
    Guitarrita

    Guitarrita

    Bunocephalus coracoideus

    Temp20–27°C
    pH5.8–7.8
    Size15 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Guitarrita

    Bunocephalus coracoideus

    Lifespan
    8 yr
    Schooling
    Solo OK
    Aggression
    2
    Compare
  • South America
    Guppy

    Guppy

    Poecilia reticulata

    Temp17–28°C
    pH7–8
    Size5 cm
    DietOmnivore
    SwimTop
    DifficultyEasy

    Guppy

    Poecilia reticulata

    Lifespan
    2 yr
    Schooling
    Pairs
    Aggression
    1
    Compare
  • Central America
    Haitian cichlid

    Haitian cichlid

    Nandopsis haitiensis

    Temp24–27°C
    pH7–8
    Size21.5 cm
    DietOmnivore
    SwimBottom
    DifficultyHard

    Haitian cichlid

    Nandopsis haitiensis

    Lifespan
    12 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • Asia
    Harlequin rasbora

    Harlequin rasbora

    Trigonostigma heteromorpha

    Temp21–28°C
    pH5–7.5
    Size4.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Harlequin rasbora

    Trigonostigma heteromorpha

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Head-and-taillight tetra

    Head-and-taillight tetra

    Hemigrammus ocellifer

    Temp24–28°C
    pH5.5–7.5
    Size4.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Head-and-taillight tetra

    Hemigrammus ocellifer

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Hillstream loach

    Hillstream loach

    Gastromyzon punctulatus

    Temp23–25°C
    pH6.5–7.5
    Size6.5 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Hillstream loach

    Gastromyzon punctulatus

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    1
    Compare
  • Oceania
    Honey blue eye

    Honey blue eye

    Pseudomugil mellis

    Temp20–28°C
    pH6–7.5
    Size3.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Honey blue eye

    Pseudomugil mellis

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Hoplo Catfish

    Hoplo Catfish

    Megalechis thoracata

    Temp18–28°C
    pH6–8
    Size15.5 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Hoplo Catfish

    Megalechis thoracata

    Lifespan
    8 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • East Asia (China, Taiwan, Laos, Vietnam)
    Horsehead

    Horsehead

    Opsariichthys bidens

    Temp10–20°C
    pH6.5–7
    Size21 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Horsehead

    Opsariichthys bidens

    Lifespan
    8 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Africa
    Humphead cichlid

    Humphead cichlid

    Cyphotilapia frontosa

    Temp23–27°C
    pH8–9
    Size25 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Humphead cichlid

    Cyphotilapia frontosa

    Lifespan
    15 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • Central America
    Jack Dempsey

    Jack Dempsey

    Rocio octofasciata

    Temp20–30°C
    pH6.5–8
    Size20 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Jack Dempsey

    Rocio octofasciata

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    4

    High aggression — research tankmates carefully

    Compare
  • Asia
    Japanese rice fish

    Japanese rice fish

    Oryzias latipes

    Temp16–22°C
    pH6.5–8.5
    Size3.6 cm
    DietOmnivore
    SwimAll levels
    DifficultyModerate

    Japanese rice fish

    Oryzias latipes

    Lifespan
    4 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Asia
    Javanese ricefish

    Javanese ricefish

    Oryzias javanicus

    Temp24–29°C
    pH7–9
    Size3.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Javanese ricefish

    Oryzias javanicus

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Jewel tetra

    Jewel tetra

    Hyphessobrycon eques

    Temp20–28°C
    pH5–7.5
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Jewel tetra

    Hyphessobrycon eques

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Africa
    Jewelfish

    Jewelfish

    Hemichromis bimaculatus

    Temp22–28°C
    pH6–7.8
    Size15 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Jewelfish

    Hemichromis bimaculatus

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    3

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Southeast Asia
    Kissing gourami

    Kissing gourami

    Helostoma temminckii

    Temp22–30°C
    pH6–8
    Size30 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Kissing gourami

    Helostoma temminckii

    Lifespan
    15 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Asia
    Least rasbora

    Least rasbora

    Boraras urophthalmoides

    Temp24–28°C
    pH6–7
    Size2 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Least rasbora

    Boraras urophthalmoides

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Lemon tetra

    Lemon tetra

    Hyphessobrycon pulchripinnis

    Temp20–28°C
    pH5–7.5
    Size3.8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Lemon tetra

    Hyphessobrycon pulchripinnis

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Leopard corydoras

    Leopard corydoras

    Corydoras julii

    Temp20–26°C
    pH6–8
    Size5.5 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Leopard corydoras

    Corydoras julii

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Leopard Frog Pleco

    Leopard Frog Pleco

    Peckoltia compta

    Temp24–29°C
    pH6–7.5
    Size6.2 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Leopard Frog Pleco

    Peckoltia compta

    Lifespan
    15 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • Asia
    Lizard Loach

    Lizard Loach

    Homaloptera orthogoniata

    Temp20–25.5°C
    pH6–7.5
    Size9.5 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Lizard Loach

    Homaloptera orthogoniata

    Lifespan
    8 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Madagascar
    Madagascar Rainbow

    Madagascar Rainbow

    Bedotia madagascarensis

    Temp23–32°C
    pH4.5–7.5
    Size10 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Madagascar Rainbow

    Bedotia madagascarensis

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South America
    Medusa Pleco

    Medusa Pleco

    Ancistrus ranunculus

    Temp25–30°C
    pH6–7
    Size13 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Medusa Pleco

    Ancistrus ranunculus

    Lifespan
    10 yr
    Schooling
    Solo OK
    Aggression
    1
    Compare
  • Western Ghats of southern India (Goa, Karnataka, Kerala, Tamil Nadu)
    Melon Barb

    Melon Barb

    Haludaria fasciata

    Temp22–26°C
    pH6–6.5
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Melon Barb

    Haludaria fasciata

    Lifespan
    5 yr
    Schooling
    Varies
    Aggression
    2
    Compare
  • Central America
    Moga

    Moga

    Hypsophrys nicaraguensis

    Temp23–28°C
    pH7–8
    Size25 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Moga

    Hypsophrys nicaraguensis

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Central America
    Molly

    Molly

    Poecilia sphenops

    Temp24–28°C
    pH7.5–8.2
    Size7.5 cm
    DietOmnivore
    SwimAll levels
    DifficultyModerate

    Molly

    Poecilia sphenops

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Lake Tanganyika
    Multies

    Multies

    Neolamprologus multifasciatus

    Temp24–27°C
    pH7.5–9
    Size4.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Multies

    Neolamprologus multifasciatus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • South America
    Nannoptopoma

    Nannoptopoma

    Nannoptopoma sternoptychum

    Temp
    pH
    Size3.3 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Nannoptopoma

    Nannoptopoma sternoptychum

    Lifespan
    Schooling
    Pairs
    Aggression
    2
    Compare
  • Asia
    Neon Blue Rasbora

    Neon Blue Rasbora

    Sundadanio axelrodi

    Temp23–26°C
    pH4–6.5
    Size2.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyHard

    Neon Blue Rasbora

    Sundadanio axelrodi

    Lifespan
    4 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South America
    Neon tetra

    Neon tetra

    Paracheirodon innesi

    Temp21–25°C
    pH4–7.5
    Size3 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Neon tetra

    Paracheirodon innesi

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South America
    Ornate tetra

    Ornate tetra

    Hyphessobrycon bentosi

    Temp20–28°C
    pH5–7.5
    Size4.3 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Ornate tetra

    Hyphessobrycon bentosi

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • South America
    Oscar

    Oscar

    Astronotus ocellatus

    Temp20–28°C
    pH6–7.5
    Size35 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Oscar

    Astronotus ocellatus

    Lifespan
    15 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • South America
    Oxyropsis

    Oxyropsis

    Oxyropsis carinata

    Temp26–29°C
    pH6–7.5
    Size7.6 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Oxyropsis

    Oxyropsis carinata

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Palespotted corydoras

    Palespotted corydoras

    Corydoras gossei

    Temp24–28°C
    pH5.5–7.5
    Size5.5 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Palespotted corydoras

    Corydoras gossei

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Upper Amazon, Peru
    Panda corydoras

    Panda corydoras

    Corydoras panda

    Temp22–25°C
    pH6–7.4
    Size5 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Panda corydoras

    Corydoras panda

    Lifespan
    8 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Panda Garra

    Panda Garra

    Garra flavatra

    Temp22–27°C
    pH6.5–7.5
    Size9 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Panda Garra

    Garra flavatra

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    2
    Compare
  • Asia
    Panda Loach

    Panda Loach

    Yaoshania pachychilus

    Temp20–24°C
    pH6.5–7.5
    Size5.8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Panda Loach

    Yaoshania pachychilus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • South America
    Panda Uaru

    Panda Uaru

    Uaru fernandezyepezi

    Temp27–30°C
    pH5–6.5
    Size19 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Panda Uaru

    Uaru fernandezyepezi

    Lifespan
    12 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Southeast Asia (Thailand, Malaysia, Indonesia)
    Pearl gourami

    Pearl gourami

    Trichopodus leerii

    Temp23.9–30°C
    pH5.5–8
    Size12 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Pearl gourami

    Trichopodus leerii

    Lifespan
    7 yr
    Schooling
    Pairs
    Aggression
    2
    Compare
  • South America
    Peppered corydoras

    Peppered corydoras

    Corydoras paleatus

    Temp22–26°C
    pH6–7
    Size7 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Peppered corydoras

    Corydoras paleatus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Pictus cat

    Pictus cat

    Pimelodus pictus

    Temp22–25°C
    pH5.8–6.8
    Size12 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Pictus cat

    Pimelodus pictus

    Lifespan
    8 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • Asia
    Pond loach

    Pond loach

    Misgurnus anguillicaudatus

    Temp18–23°C
    pH6.5–8
    Size28 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Pond loach

    Misgurnus anguillicaudatus

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    2
    Compare
  • Lake Tanganyika
    Princess of Burundi

    Princess of Burundi

    Neolamprologus brichardi

    Temp23–27°C
    pH8–9
    Size9 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Princess of Burundi

    Neolamprologus brichardi

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Pygmy corydoras

    Pygmy corydoras

    Corydoras pygmaeus

    Temp22–26°C
    pH6.4–7.4
    Size3 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Pygmy corydoras

    Corydoras pygmaeus

    Lifespan
    4 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Pygmy gourami

    Pygmy gourami

    Trichopsis pumila

    Temp22–28°C
    pH5–7.5
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Pygmy gourami

    Trichopsis pumila

    Lifespan
    4 yr
    Schooling
    Pairs
    Aggression
    2
    Compare
  • Africa
    Rainbow krib

    Rainbow krib

    Pelvicachromis pulcher

    Temp24–27°C
    pH5–7.5
    Size10 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Rainbow krib

    Pelvicachromis pulcher

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Ram cichlid

    Ram cichlid

    Mikrogeophagus ramirezi

    Temp27–30°C
    pH4–7
    Size4.2 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Ram cichlid

    Mikrogeophagus ramirezi

    Lifespan
    3 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Red phantom tetra

    Red phantom tetra

    Hyphessobrycon sweglesi

    Temp20–28°C
    pH4.5–7.5
    Size3.2 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Red phantom tetra

    Hyphessobrycon sweglesi

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Indonesia (Lake Sentani, Papua)
    Red rainbowfish

    Red rainbowfish

    Glossolepis incisus

    Temp22.2–25°C
    pH7–8
    Size15 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Red rainbowfish

    Glossolepis incisus

    Lifespan
    6 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • Amazon basin, South America
    Red Spotted Severum

    Red Spotted Severum

    Heros efasciatus var.

    Temp24–29°C
    pH6–7.5
    Size20 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Red Spotted Severum

    Heros efasciatus var.

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Redhump eartheater

    Redhump eartheater

    Geophagus steindachneri

    Temp20–30°C
    pH6–7.5
    Size15 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Redhump eartheater

    Geophagus steindachneri

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • South America
    Redstriped eartheater

    Redstriped eartheater

    Geophagus surinamensis

    Temp24–28°C
    pH6–7.5
    Size17.2 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Redstriped eartheater

    Geophagus surinamensis

    Lifespan
    12 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • Asia
    Reticulated hillstream loach

    Reticulated hillstream loach

    Sewellia lineolata

    Temp18–24°C
    pH6.5–7.5
    Size5.7 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Reticulated hillstream loach

    Sewellia lineolata

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    2
    Compare
  • North America
    Rio Grande cichlid

    Rio Grande cichlid

    Herichthys cyanoguttatus

    Temp20–26°C
    pH6–7.5
    Size24 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Rio Grande cichlid

    Herichthys cyanoguttatus

    Lifespan
    12 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • East Asia (China, Japan, Korea)
    Rose bitterling

    Rose bitterling

    Rhodeus ocellatus

    Temp5–25°C
    pH7–8.5
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Rose bitterling

    Rhodeus ocellatus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Rosy barb

    Rosy barb

    Pethia conchonius

    Temp16–24°C
    pH6–8
    Size10 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Rosy barb

    Pethia conchonius

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    2

    Fin nipper — avoid with long-finned tankmates

    Compare
  • South America
    Rosy tetra

    Rosy tetra

    Hyphessobrycon rosaceus

    Temp23.9–27.8°C
    pH5.5–7.5
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Rosy tetra

    Hyphessobrycon rosaceus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Ruby barb

    Ruby barb

    Pethia padamya

    Temp20–25°C
    pH6.5–7.5
    Size4.6 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Ruby barb

    Pethia padamya

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    2
    Compare
  • South America
    Rummy-nose tetra

    Rummy-nose tetra

    Hemigrammus rhodostomus

    Temp24–27°C
    pH5.5–7
    Size5 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Rummy-nose tetra

    Hemigrammus rhodostomus

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Myanmar (Lake Inlé)
    Sawbwa barb

    Sawbwa barb

    Sawbwa resplendens

    Temp18–22°C
    pH6–8
    Size3 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Sawbwa barb

    Sawbwa resplendens

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Schwartz's catfish

    Schwartz's catfish

    Corydoras schwartzi

    Temp22–24°C
    pH6–7.5
    Size7 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Schwartz's catfish

    Corydoras schwartzi

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Siamese fighting fish

    Siamese fighting fish

    Betta splendens

    Temp22–30°C
    pH6–8
    Size6.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Siamese fighting fish

    Betta splendens

    Lifespan
    3 yr
    Schooling
    Solo OK
    Aggression
    5

    High aggression — research tankmates carefully

    Compare
  • Asia
    Siamese flying fox

    Siamese flying fox

    Crossocheilus oblongus

    Temp23–27°C
    pH6–7.5
    Size16 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Siamese flying fox

    Crossocheilus oblongus

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Silvertip tetra

    Silvertip tetra

    Hasemania nana

    Temp23–28°C
    pH6–8
    Size5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Silvertip tetra

    Hasemania nana

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Asia
    Slender Bitterling

    Slender Bitterling

    Tanakia himantegus

    Temp15–28°C
    pH6.5–7.8
    Size8 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Slender Bitterling

    Tanakia himantegus

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Central America
    Southern platyfish

    Southern platyfish

    Xiphophorus maculatus

    Temp20–26°C
    pH7–8.2
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Southern platyfish

    Xiphophorus maculatus

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Splash tetra

    Splash tetra

    Copella arnoldi

    Temp20–28°C
    pH4–7.5
    Size5.5 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Splash tetra

    Copella arnoldi

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Sterba's cory

    Sterba's cory

    Corydoras sterbai

    Temp24–28°C
    pH6–7.6
    Size6.5 cm
    DietOmnivore
    SwimBottom
    DifficultyEasy

    Sterba's cory

    Corydoras sterbai

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Sumatra barb

    Sumatra barb

    Puntigrus tetrazona

    Temp20–26°C
    pH5–8
    Size6 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    Sumatra barb

    Puntigrus tetrazona

    Lifespan
    6 yr
    Schooling
    Yes
    Aggression
    1

    Fin nipper — avoid with long-finned tankmates

    Compare
  • South America
    Sunshine Pleco

    Sunshine Pleco

    Scobinancistrus aureatus

    Temp25–29°C
    pH5.5–7
    Size29 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Sunshine Pleco

    Scobinancistrus aureatus

    Lifespan
    15 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • Africa
    Temporaris Shell Dweller

    Temporaris Shell Dweller

    Telmatochromis temporalis

    Temp24–27°C
    pH8–9
    Size4.4 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Temporaris Shell Dweller

    Telmatochromis temporalis

    Lifespan
    8 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Oceania
    Threadfin rainbowfish

    Threadfin rainbowfish

    Iriatherina werneri

    Temp22–30°C
    pH5–8
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Threadfin rainbowfish

    Iriatherina werneri

    Lifespan
    3 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • Asia
    Three spot gourami

    Three spot gourami

    Trichogaster trichopterus

    Temp24–30°C
    pH5.5–8.5
    Size15 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Three spot gourami

    Trichogaster trichopterus

    Lifespan
    5 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • South America
    Threespot eartheater

    Threespot eartheater

    Satanoperca daemon

    Temp24–28°C
    pH3.5–6
    Size25 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Threespot eartheater

    Satanoperca daemon

    Lifespan
    12 yr
    Schooling
    Yes
    Aggression
    3
    Compare
  • Southeast Asia
    Tinfoil barb

    Tinfoil barb

    Barbonymus schwanenfeldii

    Temp22–28°C
    pH6.5–7
    Size35 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Tinfoil barb

    Barbonymus schwanenfeldii

    Lifespan
    10 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Twosaddle corydoras

    Twosaddle corydoras

    Corydoras weitzmani

    Temp22–26°C
    pH6–7.2
    Size6 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Twosaddle corydoras

    Corydoras weitzmani

    Lifespan
    5 yr
    Schooling
    Yes
    Aggression
    1
    Compare
  • South America
    Vampire Pleco

    Vampire Pleco

    Leporacanthicus galaxias

    Temp22–26°C
    pH5.6–7
    Size25 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Vampire Pleco

    Leporacanthicus galaxias

    Lifespan
    15 yr
    Schooling
    Solo OK
    Aggression
    3
    Compare
  • West Africa (Gabon, Cameroon, Nigeria)
    Vampire Shrimp

    Vampire Shrimp

    Atya gabonensis

    Temp24–28°C
    pH6.5–7.5
    Size15 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Vampire Shrimp

    Atya gabonensis

    Lifespan
    5 yr
    Schooling
    Pairs
    Aggression
    1
    Compare
  • South America
    Whiptail Catfish

    Whiptail Catfish

    Loricaria simillima

    Temp24–27°C
    pH5.6–7.8
    Size18 cm
    DietOmnivore
    SwimBottom
    DifficultyModerate

    Whiptail Catfish

    Loricaria simillima

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3
    Compare
  • Asia
    White cloud mountain minnow

    White cloud mountain minnow

    Tanichthys albonubes

    Temp14–22°C
    pH6–8
    Size4 cm
    DietOmnivore
    SwimMiddle
    DifficultyEasy

    White cloud mountain minnow

    Tanichthys albonubes

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare
  • Central America
    Yellow belly cichlid

    Yellow belly cichlid

    Cichlasoma salvini

    Temp22–26°C
    pH6.5–8
    Size15 cm
    DietOmnivore
    SwimMiddle
    DifficultyModerate

    Yellow belly cichlid

    Cichlasoma salvini

    Lifespan
    10 yr
    Schooling
    Pairs
    Aggression
    3

    Fin nipper — avoid with long-finned tankmates

    Compare
  • Asia
    Zebra danio

    Zebra danio

    Danio rerio

    Temp18–25°C
    pH6–8
    Size5 cm
    DietOmnivore
    SwimAll levels
    DifficultyEasy

    Zebra danio

    Danio rerio

    Lifespan
    5 yr
    Schooling
    Strong
    Aggression
    1
    Compare