South America
Adolf's catfish
Corydoras adolfoi
Temp22–26°C
pH6–8
Size5.7 cm
Diet—
SwimBottom
DifficultyEasy
Adolf's catfish
Corydoras adolfoi
fish
Fish suited to near-neutral water (around pH 7)
Species whose documented pH range includes 7.0 — overlap check only; measure your tap and tank pH before stocking.
209 species
- South America
Agassiz's dwarf cichlid
Apistogramma agassizii
Temp23–29°CpH5–7Size4.4 cmDiet—SwimBottomDifficultyModerateAgassiz's dwarf cichlid
Apistogramma agassizii
- Asia
Almorha loach
Botia almorhae
Temp24–28°CpH6.5–7.5Size15.5 cmDiet—SwimBottomDifficultyModerateAlmorha loach
Botia almorhae
- South America
Arawana
Osteoglossum bicirrhosum
Temp24–30°CpH6–7.5Size90 cmDietOmnivoreSwimTopDifficultyModerateArawana
Osteoglossum bicirrhosum
- Asia
Asian bonytongue
Scleropages formosus
Temp24–30°CpH6–7.5Size90 cmDiet—SwimTopDifficultyExpertAsian bonytongue
Scleropages formosus
- Asia
Asian bumblebee catfish
Leiocassis siamensis
Temp22–27°CpH6–8Size18 cmDiet—SwimBottomDifficultyModerateAsian bumblebee catfish
Leiocassis siamensis
- Asia
Assamese snakehead
Channa stewartii
Temp18–25°CpH6.5–7.5Size29.7 cmDiet—SwimAll levelsDifficultyModerateAssamese snakehead
Channa stewartii
- Asia
Badis
Badis badis
Temp20–26°CpH6–8Size7.1 cmDiet—SwimBottomDifficultyModerateBadis
Badis badis
- Africa
Banded panchax
Pseudepiplatys annulatus
Temp23–26°CpH6.5–7Size4 cmDiet—SwimTopDifficultyModerateBanded panchax
Pseudepiplatys annulatus
- Central America
Biajaca
Nandopsis tetracanthus
Temp24–30°CpH7–8Size20 cmDiet—SwimAll levelsDifficultyModerateBiajaca
Nandopsis tetracanthus
- South America
Bigtooth river stingray
Potamotrygon henlei
Temp24–28°CpH5.8–7.2Size45 cmDiet—SwimBottomDifficultyExpertBigtooth river stingray
Potamotrygon henlei
- South America
Black ghost
Apteronotus albifrons
Temp23–28°CpH6–8Size50 cmDiet—Swim—DifficultyModerateBlack ghost
Apteronotus albifrons
- South America
Black neon tetra
Hyphessobrycon herbertaxelrodi
Temp22–28°CpH5.5–7.5Size3.2 cmDiet—SwimMiddleDifficultyEasyBlack neon tetra
Hyphessobrycon herbertaxelrodi
- South America
Black phantom tetra
Hyphessobrycon megalopterus
Temp22–26°CpH6–7.5Size3.6 cmDiet—SwimMiddleDifficultyModerateBlack phantom tetra
Hyphessobrycon megalopterus
- South America
Black tetra
Gymnocorymbus ternetzi var.
Temp20–26°CpH6–8Size7.5 cmDiet—SwimMiddleDifficultyEasyBlack tetra
Gymnocorymbus ternetzi var.
- South America
Black tetra
Gymnocorymbus ternetzi
Temp20–26°CpH6–8Size7.5 cmDiet—SwimMiddleDifficultyEasyBlack tetra
Gymnocorymbus ternetzi
- South America
Blackline penguinfish
Thayeria boehlkei
Temp22–28°CpH6–8Size3.6 cmDiet—SwimMiddleDifficultyModerateBlackline penguinfish
Thayeria boehlkei
- Asia
Blackline rasbora
Rasbora borapetensis
Temp22–26°CpH6.5–7Size10 cmDiet—SwimMiddleDifficultyModerateBlackline rasbora
Rasbora borapetensis
- South America
Bleeding-heart tetra
Hyphessobrycon erythrostigma
Temp23–28°CpH5.6–7.2Size6.1 cmDiet—SwimMiddleDifficultyModerateBleeding-heart tetra
Hyphessobrycon erythrostigma
- South America
Blue acara
Andinoacara pulcher var.
Temp22–28°CpH6.5–8Size16 cmDiet—SwimAll levelsDifficultyModerateBlue acara
Andinoacara pulcher var.
- Asia
Blue danio
Danio kerri
Temp22–26°CpH6.5–7Size5 cmDiet—SwimAll levelsDifficultyEasyBlue danio
Danio kerri
- Africa
Blue gularis
Fundulopanchax sjoestedti
Temp22–26°CpH6–8Size13 cmDiet—SwimAll levelsDifficultyModerateBlue gularis
Fundulopanchax sjoestedti
- Africa
Blue lyretail
Fundulopanchax gardneri
Temp22–26°CpH6–7.2Size6.5 cmDiet—SwimTopDifficultyModerateBlue lyretail
Fundulopanchax gardneri
- South America
Blue-eye panaque
Panaque suttonorum
Temp22–26°CpH6.2–7.5Size28 cmDiet—SwimBottomDifficultyModerateBlue-eye panaque
Panaque suttonorum
- Asia
Bluefinned snakehead
Channa bleheri
Temp18–25°CpH6–7.5Size14.4 cmDiet—SwimAll levelsDifficultyModerateBluefinned snakehead
Channa bleheri
- Asia
Boeseman's rainbowfish
Melanotaenia boesemani
Temp27.2–30°CpH7–8Size9 cmDiet—SwimMiddleDifficultyModerateBoeseman's rainbowfish
Melanotaenia boesemani
- South America
Bronze corydoras
Corydoras aeneus
Temp22–26°CpH6–8Size7.5 cmDiet—Swim—DifficultyEasyBronze corydoras
Corydoras aeneus
- South America
Buenos Aires tetra
Hyphessobrycon anisitsi
Temp18–28°CpH6–8Size13.2 cmDiet—SwimAll levelsDifficultyModerateBuenos Aires tetra
Hyphessobrycon anisitsi
- North America
Butterfly splitfin
Ameca splendens
Temp20–26°CpH6–8Size8 cmDiet—SwimAll levelsDifficultyModerateButterfly splitfin
Ameca splendens
- Asia
Celebes rainbowfish
Marosatherina ladigesi
Temp22.2–27.8°CpH7–8Size8 cmDietOmnivoreSwimAll levelsDifficultyModerateCelebes rainbowfish
Marosatherina ladigesi
- Asia
Cherry barb
Puntius titteya
Temp23–27°CpH6–8Size5 cmDiet—SwimMiddleDifficultyModerateCherry barb
Puntius titteya
- South America
Chessboard cichlid
Dicrossus filamentosus
Temp24–28°CpH5–7Size3.8 cmDiet—SwimBottomDifficultyModerateChessboard cichlid
Dicrossus filamentosus
- Asia
Chinese barb
Barbodes semifasciolatus
Temp18–24°CpH6–8Size7.6 cmDiet—SwimAll levelsDifficultyModerateChinese barb
Barbodes semifasciolatus
- Asia
Chinese false gudgeon
Abbottina rivularis
Temp5–26°CpH7–8Size18.9 cmDiet—SwimBottomDifficultyModerateChinese false gudgeon
Abbottina rivularis
- Asia
Chinese lake gudgeon
Sarcocheilichthys sinensis
Temp5–25°CpH7–8Size30 cmDiet—SwimBottomDifficultyModerateChinese lake gudgeon
Sarcocheilichthys sinensis
- Asia
Clown loach
Chromobotia macracanthus
Temp25–30°CpH5–8Size30.5 cmDiet—SwimBottomDifficultyModerateClown loach
Chromobotia macracanthus
- South America
Cockatoo cichlid
Apistogramma cacatuoides
Temp22–29°CpH6–8Size5 cmDiet—SwimBottomDifficultyEasyCockatoo cichlid
Apistogramma cacatuoides
- Asia
Colored snakehead
Channa pulchra
Temp20–26°CpH6.5–7.5Size30 cmDiet—SwimAll levelsDifficultyModerateColored snakehead
Channa pulchra
- Africa
Congo tetra
Phenacogrammus interruptus
Temp22.8–27.8°CpH6–8Size8 cmDiet—SwimMiddleDifficultyModerateCongo tetra
Phenacogrammus interruptus
- Central America
Convict cichlid
Amatitlania nigrofasciata
Temp20–28°CpH7–8Size10 cmDiet—SwimBottomDifficultyModerateConvict cichlid
Amatitlania nigrofasciata
- Asia
Crescent betta
Betta imbellis
Temp20–28°CpH6–7Size6 cmDiet—SwimTopDifficultyModerateCrescent betta
Betta imbellis
- South America
Demon eartheater
Satanoperca jurupari
Temp26–30°CpH6.3–7Size26 cmDiet—SwimBottomDifficultyModerateDemon eartheater
Satanoperca jurupari
- Asia
Denison barb
Sahyadria denisonii
Temp15–25°CpH6.8–7.8Size15 cmDiet—SwimAll levelsDifficultyModerateDenison barb
Sahyadria denisonii
- Oceania
Desert goby
Chlamydogobius eremius
Temp18–30°CpH7–8Size6 cmDiet—SwimBottomDifficultyModerateDesert goby
Chlamydogobius eremius
- South America
Diamond tetra
Moenkhausia pittieri
Temp23–28°CpH6–7Size6 cmDiet—SwimMiddleDifficultyModerateDiamond tetra
Moenkhausia pittieri
- Asia
Dwarf danio
Danio nigrofasciatus
Temp22–26°CpH6.5–7Size3.7 cmDiet—SwimAll levelsDifficultyEasyDwarf danio
Danio nigrofasciatus
- Asia
Dwarf gourami
Trichogaster lalius
Temp22–28°CpH6–8Size9.5 cmDiet—Swim—DifficultyModerateDwarf gourami
Trichogaster lalius
- Asia
Dwarf rainbowfish
Melanotaenia praecox
Temp22.8–27.8°CpH6.8–7.5Size5 cmDiet—SwimMiddleDifficultyModerateDwarf rainbowfish
Melanotaenia praecox
- Africa
Elephantnose fish
Gnathonemus petersii
Temp22.8–27.8°CpH6–8Size35 cmDiet—Swim—DifficultyModerateElephantnose fish
Gnathonemus petersii
- South America
Ember tetra
Hyphessobrycon amandae
Temp24–28°CpH6–7Size2 cmDiet—SwimMiddleDifficultyModerateEmber tetra
Hyphessobrycon amandae
- Asia
Emerald Dwarf Rasbora
Danio erythromicron
Temp20–24°CpH7–8Size3 cmDiet—SwimMiddleDifficultyEasyEmerald Dwarf Rasbora
Danio erythromicron
- South America
Endlers guppy
Poecilia wingei
Temp24–30°CpH7–8.5Size2 cmDiet—SwimTopDifficultyEasyEndlers guppy
Poecilia wingei
- Asia
Eyespot pufferfish
Tetraodon biocellatus
Temp22.2–26.1°CpH6.5–7.5Size8 cmDiet—Swim—DifficultyModerateEyespot pufferfish
Tetraodon biocellatus
- Asia
Finescale tigerfish
Datnioides microlepis
Temp24–28°CpH6.5–7.5Size55 cmDiet—SwimMiddleDifficultyModerateFinescale tigerfish
Datnioides microlepis
- Asia
Fire eel
Mastacembelus erythrotaenia
Temp24–28°CpH6–8Size100 cmDiet—SwimBottomDifficultyModerateFire eel
Mastacembelus erythrotaenia
- Central America
Firemouth cichlid
Thorichthys meeki
Temp20–32°CpH6.5–7.5Size17 cmDiet—SwimBottomDifficultyModerateFiremouth cichlid
Thorichthys meeki
- Asia
Flying fox
Epalzeorhynchos kalopterus
Temp23–27°CpH6.5–7Size16 cmDiet—SwimAll levelsDifficultyModerateFlying fox
Epalzeorhynchos kalopterus
- Oceania
Forktail rainbowfish
Pseudomugil furcatus
Temp—pH6–8Size5 cmDiet—SwimTopDifficultyModerateForktail rainbowfish
Pseudomugil furcatus
- South America
Freshwater angelfish
Pterophyllum scalare
Temp24–30°CpH6–8Size10.5 cmDiet—SwimAll levelsDifficultyModerateFreshwater angelfish
Pterophyllum scalare
- Africa
Freshwater butterflyfish
Pantodon buchholzi
Temp25–30°CpH6–7.5Size11.9 cmDietInsectivoreSwimTopDifficultyModerateFreshwater butterflyfish
Pantodon buchholzi
- Asia
Freshwater minnow
Zacco platypus
Temp5–24°CpH6.5–7.5Size22.5 cmDiet—SwimAll levelsDifficultyModerateFreshwater minnow
Zacco platypus
- Asia
Galaxy rasbora
Danio margaritatus
Temp20–26°CpH6.5–7.5Size2.1 cmDiet—SwimMiddleDifficultyEasyGalaxy rasbora
Danio margaritatus
Ghost shrimp
Palaemonetes paludosus
Temp15–27°CpH6.5–7.5Size5 cmDiet—SwimBottomDifficultyModerateGhost shrimp
Palaemonetes paludosus
- Asia
Giant danio
Devario aequipinnatus
Temp22–24°CpH6–8Size15 cmDiet—SwimTopDifficultyModerateGiant danio
Devario aequipinnatus
- South America
Glass bloodfin
Prionobrama filigera
Temp22.8–26.7°CpH6–7.8Size6 cmDiet—SwimTopDifficultyModerateGlass bloodfin
Prionobrama filigera
- Asia
Glass catfish
Kryptopterus vitreolus
Temp21–26°CpH6.5–7.5Size6.5 cmDiet—SwimMiddleDifficultyModerateGlass catfish
Kryptopterus vitreolus
- Africa
Globe fish
Tetraodon lineatus
Temp23.9–26.1°CpH6.5–7.5Size43 cmDiet—Swim—DifficultyExpertGlobe fish
Tetraodon lineatus
- South America
Glowlight tetra
Hemigrammus erythrozonus
Temp22–28°CpH6–8Size3.3 cmDiet—SwimMiddleDifficultyEasyGlowlight tetra
Hemigrammus erythrozonus
- Asia
Goldspotted snakehead
Channa aurantimaculata
Temp18–24°CpH6.5–7.5Size36.2 cmDiet—SwimAll levelsDifficultyModerateGoldspotted snakehead
Channa aurantimaculata
- Africa
Gray bichir
Polypterus senegalus
Temp—pH6–8Size70 cmDiet—Swim—DifficultyModerateGray bichir
Polypterus senegalus
- Central America
Green swordtail
Xiphophorus hellerii
Temp22–28°CpH7–8Size14 cmDiet—Swim—DifficultyEasyGreen swordtail
Xiphophorus hellerii
- South America
Green terror
Andinoacara rivulatus
Temp22–26°CpH6.5–8Size20 cmDiet—SwimAll levelsDifficultyModerateGreen terror
Andinoacara rivulatus
- South America
Greenstreaked eartheater
Biotodoma cupido
Temp24–29°CpH6–8Size11.7 cmDiet—SwimBottomDifficultyModerateGreenstreaked eartheater
Biotodoma cupido
- South America
Guayas cichlid
Cichlasoma festae
Temp25–29°CpH7–8Size25 cmDiet—SwimAll levelsDifficultyModerateGuayas cichlid
Cichlasoma festae
- South America
Guitarrita
Bunocephalus coracoideus
Temp20–27°CpH6–8Size11 cmDiet—SwimBottomDifficultyModerateGuitarrita
Bunocephalus coracoideus
- South America
Guppy
Poecilia reticulata
Temp22–28°CpH7–8Size5 cmDiet—Swim—DifficultyEasyGuppy
Poecilia reticulata
- Central America
Haitian cichlid
Nandopsis haitiensis
Temp24–30°CpH7–8Size21.5 cmDiet—SwimAll levelsDifficultyModerateHaitian cichlid
Nandopsis haitiensis
- AsiaNo image
Harlequin rasbora
Trigonostigma heteromorpha var
Temp—pH5–7Size5 cmDiet—Swim—DifficultyEasyHarlequin rasbora
Trigonostigma heteromorpha var
- Asia
Harlequin rasbora
Trigonostigma heteromorpha
Temp21–28°CpH5–7Size5 cmDiet—SwimMiddleDifficultyEasyHarlequin rasbora
Trigonostigma heteromorpha
- South America
Head-and-taillight tetra
Hemigrammus ocellifer
Temp22–28°CpH6–8Size4.9 cmDiet—SwimMiddleDifficultyModerateHead-and-taillight tetra
Hemigrammus ocellifer
- Asia
Hillstream loach
Gastromyzon punctulatus
Temp18–24°CpH6.5–7.5Size6.5 cmDiet—Swim—DifficultyModerateHillstream loach
Gastromyzon punctulatus
- Oceania
Honey blue eye
Pseudomugil mellis
Temp24–28°CpH6–8Size3.5 cmDiet—SwimTopDifficultyModerateHoney blue eye
Pseudomugil mellis
- Asia
Honey gourami
Trichogaster chuna
Temp22–27°CpH6–8Size13.7 cmDiet—SwimTopDifficultyModerateHoney gourami
Trichogaster chuna
- Asia
Indonesian snakehead
Channa micropeltes
Temp24–30°CpH6–8Size130 cmDiet—SwimAll levelsDifficultyHardIndonesian snakehead
Channa micropeltes
- Central America
Jack Dempsey
Rocio octofasciata
Temp20–30°CpH7–8Size25 cmDiet—SwimAll levelsDifficultyModerateJack Dempsey
Rocio octofasciata
- Asia
Japanese rice fish
Oryzias latipes
Temp5–30°CpH7–8Size4 cmDiet—SwimTopDifficultyModerateJapanese rice fish
Oryzias latipes
- South America
Jewel tetra
Hyphessobrycon eques var.
Temp22–26°CpH5–7.8Size4 cmDiet—SwimMiddleDifficultyModerateJewel tetra
Hyphessobrycon eques var.
- South America
Jewel tetra
Hyphessobrycon eques
Temp20–28°CpH5–7.8Size4 cmDiet—SwimMiddleDifficultyModerateJewel tetra
Hyphessobrycon eques
- Africa
Jewelfish
Hemichromis bimaculatus
Temp22–28°CpH6.5–7.5Size13.6 cmDiet—SwimBottomDifficultyModerateJewelfish
Hemichromis bimaculatus
- Asia
Kissing gourami
Helostoma temminckii
Temp22–28°CpH6–8Size30 cmDiet—SwimAll levelsDifficultyModerateKissing gourami
Helostoma temminckii
- Asia
Least rasbora
Boraras urophthalmoides
Temp24–28°CpH6–7Size4 cmDiet—SwimMiddleDifficultyEasyLeast rasbora
Boraras urophthalmoides
- South America
Lemon tetra
Hyphessobrycon pulchripinnis
Temp23–28°CpH5.5–8Size3.8 cmDiet—SwimMiddleDifficultyModerateLemon tetra
Hyphessobrycon pulchripinnis
- South America
Leopard corydoras
Corydoras julii
Temp22–26°CpH6–8Size5.2 cmDiet—SwimBottomDifficultyEasyLeopard corydoras
Corydoras julii
- Central America
Moga
Hypsophrys nicaraguensis
Temp24–28°CpH7–8Size16.5 cmDiet—SwimAll levelsDifficultyModerateMoga
Hypsophrys nicaraguensis
- South America
Neon tetra
Paracheirodon innesi var.
Temp20–26°CpH5–7Size2.5 cmDiet—SwimMiddleDifficultyEasyNeon tetra
Paracheirodon innesi var.
- South America
Neon tetra
Paracheirodon innesi
Temp21–25°CpH5–7Size2.5 cmDiet—SwimMiddleDifficultyEasyNeon tetra
Paracheirodon innesi
- South America
Ornate tetra
Hyphessobrycon bentosi
Temp24–28°CpH5.8–7.5Size4.3 cmDiet—SwimMiddleDifficultyModerateOrnate tetra
Hyphessobrycon bentosi
- South America
Oscar
Astronotus ocellatus
Temp22–28°CpH6–8Size45.7 cmDiet—Swim—DifficultyModerateOscar
Astronotus ocellatus
- South America
Palespotted corydoras
Corydoras gossei
Temp22–26°CpH6–8Size5.5 cmDiet—SwimBottomDifficultyEasyPalespotted corydoras
Corydoras gossei
Pan sole
Brachirus pan
Temp22–28°CpH7–8Size11.1 cmDiet—SwimBottomDifficultyModeratePan sole
Brachirus pan
- South America
Panda corydoras
Corydoras panda
Temp22–26°CpH6–8Size3.8 cmDiet—SwimBottomDifficultyEasyPanda corydoras
Corydoras panda
- Asia
Peacock eel
Macrognathus siamensis
Temp23–28°CpH6.5–7.5Size30 cmDiet—SwimBottomDifficultyModeratePeacock eel
Macrognathus siamensis
- Asia
Pearl gourami
Trichopodus leerii
Temp23.9–30°CpH6–8Size12 cmDiet—SwimTopDifficultyModeratePearl gourami
Trichopodus leerii
- South America
Peppered corydoras
Corydoras paleatus
Temp18–24°CpH6–8Size6.6 cmDiet—Swim—DifficultyEasyPeppered corydoras
Corydoras paleatus
- South America
Pictus cat
Pimelodus pictus
Temp22–26°CpH6–8Size11 cmDiet—SwimAll levelsDifficultyModeratePictus cat
Pimelodus pictus
- Asia
Pond loach
Misgurnus anguillicaudatus
Temp10–25°CpH6.5–8Size28 cmDiet—SwimBottomDifficultyModeratePond loach
Misgurnus anguillicaudatus
- South America
Pygmy corydoras
Corydoras pygmaeus
Temp22–26°CpH6–8Size2.1 cmDiet—SwimBottomDifficultyEasyPygmy corydoras
Corydoras pygmaeus
- Asia
Pygmy gourami
Trichopsis pumila
Temp24–28°CpH6–7Size4 cmDiet—SwimBottomDifficultyModeratePygmy gourami
Trichopsis pumila
- Asia
Rainbow gudgeon
Sarcocheilichthys nigripinnis
Temp10–25°CpH7–8Size16 cmDiet—SwimBottomDifficultyModerateRainbow gudgeon
Sarcocheilichthys nigripinnis
- Africa
Rainbow krib
Pelvicachromis pulcher
Temp24–27°CpH5–8Size11 cmDiet—SwimBottomDifficultyModerateRainbow krib
Pelvicachromis pulcher
- North America
Rainbow shiner
Notropis chrosomus
Temp10–22°CpH6.5–7.5Size8.1 cmDiet—SwimAll levelsDifficultyModerateRainbow shiner
Notropis chrosomus
- asia
Red garra
Garra rufa
Temp18–30°CpH7–8Size14.1 cmDiet—SwimAll levelsDifficultyModerateRed garra
Garra rufa
- South America
Red phantom tetra
Hyphessobrycon sweglesi
Temp22.2–27.8°CpH5.5–7.5Size3.2 cmDiet—SwimMiddleDifficultyModerateRed phantom tetra
Hyphessobrycon sweglesi
- South America
Redhump eartheater
Geophagus steindachneri
Temp24–28°CpH6.5–7Size19.8 cmDiet—SwimBottomDifficultyModerateRedhump eartheater
Geophagus steindachneri
- South America
Redstriped eartheater
Geophagus surinamensis
Temp24–29°CpH6–8Size17.2 cmDiet—SwimBottomDifficultyModerateRedstriped eartheater
Geophagus surinamensis
- Asia
Reticulated hillstream loach
Sewellia lineolata
Temp18–24°CpH6.5–7.5Size5.7 cmDiet—SwimBottomDifficultyModerateReticulated hillstream loach
Sewellia lineolata
- North America
Rio Grande cichlid
Herichthys cyanoguttatus
Temp—pH6.5–7.5Size30 cmDiet—SwimAll levelsDifficultyModerateRio Grande cichlid
Herichthys cyanoguttatus
Rose bitterling
Rhodeus ocellatus
Temp5–25°CpH7–8.5Size8 cmDiet—SwimAll levelsDifficultyModerateRose bitterling
Rhodeus ocellatus
- Asia
Rosy barb
Pethia conchonius
Temp16–24°CpH6–8Size14 cmDiet—SwimAll levelsDifficultyModerateRosy barb
Pethia conchonius
- South America
Rosy tetra
Hyphessobrycon rosaceus
Temp23.9–27.8°CpH5.8–7.5Size3.4 cmDiet—SwimMiddleDifficultyModerateRosy tetra
Hyphessobrycon rosaceus
- South America
Royal panaque
Panaque nigrolineatus
Temp24–29°CpH6.5–7.5Size43 cmDiet—SwimBottomDifficultyModerateRoyal panaque
Panaque nigrolineatus
- Asia
Ruby barb
Pethia padamya
Temp20–25°CpH6.5–7.5Size4.6 cmDiet—SwimAll levelsDifficultyModerateRuby barb
Pethia padamya
- South America
Rummy-nose tetra
Hemigrammus rhodostomus
Temp24–28°CpH5.5–7Size5 cmDiet—SwimMiddleDifficultyEasyRummy-nose tetra
Hemigrammus rhodostomus
- Asia
Sawbwa barb
Sawbwa resplendens
Temp20–24°CpH7–8Size3 cmDiet—SwimMiddleDifficultyModerateSawbwa barb
Sawbwa resplendens
- Asia
Scarlet badis
Dario dario
Temp18–26°CpH6.5–8.5Size1.5 cmDiet—SwimBottomDifficultyModerateScarlet badis
Dario dario
- South America
Schwartz's catfish
Corydoras schwartzi
Temp22–26°CpH6–8Size3.9 cmDiet—SwimBottomDifficultyModerateSchwartz's catfish
Corydoras schwartzi
- Asia
Short-tailed pipefish
Microphis brachyurus
Temp24–28°CpH7–8Size22 cmDiet—SwimMiddleDifficultyModerateShort-tailed pipefish
Microphis brachyurus
- Asia
Siamese algae-eater
Gyrinocheilus aymonieri
Temp22–28°CpH6–8Size28 cmDiet—SwimAll levelsDifficultyModerateSiamese algae-eater
Gyrinocheilus aymonieri
- Asia
Siamese fighting fish
Betta splendens hybrid
Temp24–30°CpH6–8Size6.5 cmDiet—SwimTopDifficultyEasySiamese fighting fish
Betta splendens hybrid
- Asia
Siamese fighting fish
Betta splendens
Temp24–30°CpH6–8Size6.5 cmDiet—SwimTopDifficultyModerateSiamese fighting fish
Betta splendens
- Asia
Siamese fighting fish
Betta splendens var.
Temp24–30°CpH6–8Size6.5 cmDiet—SwimTopDifficultyModerateSiamese fighting fish
Betta splendens var.
- Asia
Siamese flying fox
Crossocheilus oblongus
Temp22–26°CpH6.5–8Size16 cmDiet—SwimAll levelsDifficultyModerateSiamese flying fox
Crossocheilus oblongus
- Asia
Silver Tiger fish
Datnioides polota
Temp24–28°CpH7–8.5Size30 cmDiet—SwimMiddleDifficultyModerateSilver Tiger fish
Datnioides polota
- South America
Silvertip tetra
Hasemania nana
Temp22–28°CpH6–8Size3.8 cmDiet—SwimAll levelsDifficultyModerateSilvertip tetra
Hasemania nana
- Asia
Small snakehead
Channa asiatica
Temp10–25°CpH6.5–8Size23.5 cmDiet—SwimAll levelsDifficultyModerateSmall snakehead
Channa asiatica
- Central America
Southern platyfish
Xiphophorus maculatus
Temp22–28°CpH7–8Size4 cmDiet—Swim—DifficultyEasySouthern platyfish
Xiphophorus maculatus
- South America
Splash tetra
Copella arnoldi
Temp22–28°CpH6–8Size4.2 cmDiet—SwimTopDifficultyModerateSplash tetra
Copella arnoldi
- South America
Sterba's cory
Corydoras sterbai
Temp24–28°CpH6–8Size6.8 cmDiet—SwimBottomDifficultyEasySterba's cory
Corydoras sterbai
- Asia
Striped panchax
Aplocheilus lineatus
Temp22–26°CpH6–7.5Size10 cmDiet—SwimTopDifficultyModerateStriped panchax
Aplocheilus lineatus
- Asia
Sumatra barb
Puntigrus tetrazona
Temp22–26°CpH6–8Size7 cmDiet—SwimMiddleDifficultyModerateSumatra barb
Puntigrus tetrazona
- Asia
Threadfin rainbowfish
Iriatherina werneri
Temp22–30°CpH6–8Size4 cmDiet—SwimMiddleDifficultyModerateThreadfin rainbowfish
Iriatherina werneri
- Asia
Three spot gourami
Trichogaster trichopterus
Temp22–28°CpH6–8Size15 cmDiet—SwimTopDifficultyModerateThree spot gourami
Trichogaster trichopterus
- Asia
Three-lined rasbora
Rasbora trilineata
Temp22–25°CpH6–8Size13 cmDiet—SwimAll levelsDifficultyModerateThree-lined rasbora
Rasbora trilineata
- Asia
Tinfoil barb
Barbonymus schwanenfeldii
Temp22–25°CpH6.5–7Size35 cmDiet—SwimAll levelsDifficultyModerateTinfoil barb
Barbonymus schwanenfeldii
- South America
Twosaddle corydoras
Corydoras weitzmani
Temp22–26°CpH6–8Size5 cmDiet—SwimBottomDifficultyModerateTwosaddle corydoras
Corydoras weitzmani
- South America
Umbrella cichlid
Apistogramma borellii
Temp20–26°CpH6–8Size3.9 cmDiet—SwimBottomDifficultyModerateUmbrella cichlid
Apistogramma borellii
- Asia
Walking snakehead
Channa orientalis
Temp22–28°CpH6–8Size33 cmDiet—SwimAll levelsDifficultyModerateWalking snakehead
Channa orientalis
- South America
Whiptail catfish
Farlowella acus
Temp24–28°CpH6–7Size16 cmDiet—SwimBottomDifficultyModerateWhiptail catfish
Farlowella acus
- Asia
White cloud mountain minnow
Tanichthys albonubes
Temp14–22°CpH6–8Size4 cmDiet—SwimTopDifficultyEasyWhite cloud mountain minnow
Tanichthys albonubes
- Central America
Yellow belly cichlid
Cichlasoma salvini
Temp22–28°CpH7–8Size22 cmDiet—SwimBottomDifficultyModerateYellow belly cichlid
Cichlasoma salvini
- Asia
Zebra Archerfish
Toxotes blythii
Temp25–30°CpH7–8Size15 cmDiet—SwimTopDifficultyModerateZebra Archerfish
Toxotes blythii
- Asia
Zebra danio
Danio rerio
Temp—pH6–8Size3.8 cmDiet—SwimTopDifficultyEasyZebra danio
Danio rerio
- Asia
Zebra loach
Botia striata
Temp23–27°CpH6–8Size7.8 cmDiet—SwimBottomDifficultyModerateZebra loach
Botia striata
- South America
Zebra pleco
Hypancistrus zebra
Temp26–30°CpH6–7.5Size7 cmDiet—SwimBottomDifficultyModerateZebra pleco
Hypancistrus zebra
- Asia
Zig-zag eel
Mastacembelus armatus
Temp22–28°CpH6.5–7.5Size90 cmDiet—SwimBottomDifficultyModerateZig-zag eel
Mastacembelus armatus
Vittina olivacea
Temp22–28°CpH7–8.5Size3 cmDiet—SwimBottomDifficultyModerateVittina olivacea
- South America
Sturisoma aureum
Temp24–28°CpH6–8Size20 cmDiet—SwimBottomDifficultyModerateSturisoma aureum
- South America
Loricaria simillima
Temp22–28°CpH6–7.5Size26.4 cmDiet—SwimBottomDifficultyModerateLoricaria simillima
- Asia
Garra flavatra
Temp22–26°CpH6.5–7.5Size6.2 cmDiet—SwimBottomDifficultyModerateGarra flavatra
Pangio shelfodii var.
Temp24–29°CpH6–7Size10 cmDiet—SwimBottomDifficultyModeratePangio shelfodii var.
Pangio shelfodii
Temp24–29°CpH6–7Size8 cmDiet—SwimBottomDifficultyModeratePangio shelfodii
- Asia
Stiphodon percnopterygionus
Temp22–28°CpH7–8Size3.7 cmDiet—SwimBottomDifficultyModerateStiphodon percnopterygionus
- Asia
Stiphodon atropurpureus
Temp22–28°CpH7–8Size5 cmDiet—Swim—DifficultyModerateStiphodon atropurpureus
- South America
Parotocinclus eppleyi
Temp22–26°CpH6–7Size3 cmDiet—SwimBottomDifficultyModerateParotocinclus eppleyi
- South America
Heros efasciatus var.
Temp24–29°CpH6–7.5Size17 cmDiet—SwimMiddleDifficultyModerateHeros efasciatus var.
- South America
Erythrinus erythrinus
Temp22–28°CpH5.6–7.8Size20 cmDiet—SwimBottomDifficultyModerateErythrinus erythrinus
- Asia
Crossocheilus reticulatus
Temp22–26°CpH6.5–7.5Size17 cmDiet—SwimAll levelsDifficultyModerateCrossocheilus reticulatus
- Asia
Semilabeo notabilis
Temp15–24°CpH7–8Size44 cmDiet—SwimBottomDifficultyModerateSemilabeo notabilis
- Asia
Tanakia himantegus
Temp10–25°CpH6.5–7.8Size8 cmDiet—SwimAll levelsDifficultyModerateTanakia himantegus
- Asia
Danio choprae
Temp22–26°CpH6.5–7.5Size3.1 cmDiet—SwimAll levelsDifficultyModerateDanio choprae
- Asia
Oryzias woworae
Temp24–28°CpH6–7Size2.8 cmDiet—SwimTopDifficultyModerateOryzias woworae
- Asia
Danio tinwini
Temp22–26°CpH6.5–7.5Size2.2 cmDiet—SwimMiddleDifficultyModerateDanio tinwini
- South America
Otocinclus cocama
Temp21–25°CpH6–7Size4.4 cmDiet—SwimAll levelsDifficultyModerateOtocinclus cocama
Atya gabonensis
Temp24–28°CpH6.5–7.5Size15 cmDiet—SwimBottomDifficultyModerateAtya gabonensis
- South America
Leporacanthicus galaxias
Temp24–28°CpH6.2–7.2Size21.1 cmDiet—SwimBottomDifficultyModerateLeporacanthicus galaxias
Caridina multidentata
Temp15–27°CpH6.5–7.5Size5 cmDiet—SwimAll levelsDifficultyEasyCaridina multidentata
- South America
Peckoltia compta
Temp24–29°CpH6–7.5Size6.2 cmDiet—SwimBottomDifficultyModeratePeckoltia compta
- Asia
Hara jerdoni
Temp18–24°CpH6–7.5Size4 cmDiet—SwimBottomDifficultyModerateHara jerdoni
Neritina natalensis
Temp22–28°CpH7–8.5Size3 cmDiet—SwimBottomDifficultyModerateNeritina natalensis
Atyopsis moluccensis
Temp22–28°CpH6.5–7.5Size10 cmDiet—SwimMiddleDifficultyModerateAtyopsis moluccensis
Staurogyne repens
Temp20–28°CpH6–7.5Size5 cmDiet—Swim—DifficultyModerateStaurogyne repens
- South America
Otocinclus vittatus
Temp21–26°CpH6–7.5Size3.3 cmDiet—SwimAll levelsDifficultyEasyOtocinclus vittatus
- Asia
Yaoshania pachychilus
Temp18–24°CpH7–8Size5.8 cmDiet—SwimBottomDifficultyModerateYaoshania pachychilus
- South America
Hyphessobrycon columbianus
Temp24–28°CpH6–7.5Size7 cmDiet—SwimAll levelsDifficultyModerateHyphessobrycon columbianus
Neocaridina davidi var. yellow
Temp18–28°CpH6.5–8Size3 cmDiet—SwimBottomDifficultyEasyNeocaridina davidi var. yellow
- South America
Sturisoma festivum
Temp24–28°CpH6–7.5Size16.9 cmDiet—SwimBottomDifficultyModerateSturisoma festivum
- Asia
Boraras brigittae
Temp24–28°CpH6.5–7Size3.5 cmDiet—SwimMiddleDifficultyEasyBoraras brigittae
Neocaridina davidi var. rili
Temp18–28°CpH6.5–8Size3 cmDiet—SwimBottomDifficultyEasyNeocaridina davidi var. rili
- Asia
Zacco chengtui
Temp5–24°CpH6.5–7.5Size12 cmDiet—SwimAll levelsDifficultyModerateZacco chengtui
- Asia
Stiphodon semoni
Temp22–28°CpH7–8Size4.6 cmDiet—Swim—DifficultyModerateStiphodon semoni
Neocaridina davidi var. blue
Temp18–28°CpH6.5–8Size3 cmDiet—SwimBottomDifficultyModerateNeocaridina davidi var. blue
Neocaridina davidi
Temp18–28°CpH6.5–8Size3 cmDiet—SwimBottomDifficultyEasyNeocaridina davidi
- Asia
Pseudogastromyzon cheni
Temp15–24°CpH6.5–7.5Size5 cmDiet—Swim—DifficultyModeratePseudogastromyzon cheni
- South America
Farlowella vittata
Temp24–28°CpH6–7Size22.5 cmDiet—SwimBottomDifficultyModerateFarlowella vittata
- Asia
Pseudogobio esocinus
Temp10–24°CpH7–8Size29.2 cmDiet—SwimBottomDifficultyModeratePseudogobio esocinus
- Asia
Homaloptera orthogoniata
Temp20–26°CpH6.5–7.5Size13 cmDiet—SwimBottomDifficultyModerateHomaloptera orthogoniata
- South America
Baryancistrus xanthellus
Temp25–30°CpH6–7.5Size29.7 cmDiet—SwimBottomDifficultyModerateBaryancistrus xanthellus
- Asia
Danio kyathit
Temp22–26°CpH6.5–7.5Size3.5 cmDiet—SwimAll levelsDifficultyEasyDanio kyathit
- South America
Mikrogeophagus altispinosus
Temp22–26°CpH6–7.5Size5.6 cmDiet—SwimBottomDifficultyModerateMikrogeophagus altispinosus
- South America
Scobinancistrus aureatus
Temp25–29°CpH5.5–7Size29 cmDiet—Swim—DifficultyModerateScobinancistrus aureatus