South America
Adolf's catfish
Corydoras adolfoi
Temp22–26°C
pH6–8
Size5.7 cm
DietOmnivore
SwimBottom
DifficultyEasy
Adolf's catfish
Corydoras adolfoi
fish
Fish suited to mild acidic water (around pH 6.5)
Species whose documented pH range includes 6.5 — overlap check only; always acclimate and measure your own water.
182 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 cmDietOmnivoreSwimBottomDifficultyModerateAlmorha loach
Botia almorhae
- South America
Arawana
Osteoglossum bicirrhosum
Temp24–30°CpH6–7.5Size90 cmDietOmnivoreSwimMiddleDifficultyModerateArawana
Osteoglossum bicirrhosum
- Asia
Asian bonytongue
Scleropages formosus
Temp24–30°CpH6–7.5Size90 cmDiet—SwimMiddleDifficultyExpertAsian bonytongue
Scleropages formosus
- Asia
Asian bumblebee catfish
Leiocassis siamensis
Temp22–27°CpH6–8Size18 cmDietOmnivoreSwimBottomDifficultyModerateAsian bumblebee catfish
Leiocassis siamensis
- Asia
Assamese snakehead
Channa stewartii
Temp18–25°CpH6.5–7.5Size29.7 cmDietCarnivoreSwimMiddleDifficultyModerateAssamese snakehead
Channa stewartii
- Asia
Badis
Badis badis
Temp20–26°CpH6–8Size7.1 cmDietOmnivoreSwimMiddleDifficultyModerateBadis
Badis badis
- South America
Banded cichlid
Heros severus var.
Temp22–29°CpH5–6.5Size20 cmDiet—SwimMiddleDifficultyModerateBanded cichlid
Heros severus var.
- Africa
Banded panchax
Pseudepiplatys annulatus
Temp23–26°CpH6.5–7Size4 cmDietInsectivoreSwimMiddleDifficultyModerateBanded panchax
Pseudepiplatys annulatus
- South America
Bigtooth river stingray
Potamotrygon henlei
Temp24–28°CpH5.8–7.2Size45 cmDietOmnivoreSwimBottomDifficultyExpertBigtooth river stingray
Potamotrygon henlei
- South America
Black ghost
Apteronotus albifrons
Temp23–28°CpH6–8Size50 cmDietCarnivoreSwimBottomDifficultyModerateBlack 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
- Asia
Black ruby barb
Pethia nigrofasciata
Temp22–26°CpH6–6.5Size6 cmDiet—SwimMiddleDifficultyModerateBlack ruby barb
Pethia nigrofasciata
- 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 cmDietOmnivoreSwimMiddleDifficultyModerateBleeding-heart tetra
Hyphessobrycon erythrostigma
- South America
Blue acara
Andinoacara pulcher var.
Temp22–28°CpH6.5–8Size16 cmDietOmnivoreSwimMiddleDifficultyModerateBlue acara
Andinoacara pulcher var.
- Asia
Blue danio
Danio kerri
Temp22–26°CpH6.5–7Size5 cmDiet—SwimMiddleDifficultyEasyBlue danio
Danio kerri
- Africa
Blue gularis
Fundulopanchax sjoestedti
Temp22–26°CpH6–8Size13 cmDiet—SwimMiddleDifficultyModerateBlue gularis
Fundulopanchax sjoestedti
- Africa
Blue lyretail
Fundulopanchax gardneri
Temp22–26°CpH6–7.2Size6.5 cmDiet—SwimAll levelsDifficultyModerateBlue 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—SwimMiddleDifficultyModerateBluefinned snakehead
Channa bleheri
- South America
Bronze corydoras
Corydoras aeneus
Temp22–26°CpH6–8Size7.5 cmDietOmnivoreSwimBottomDifficultyEasyBronze corydoras
Corydoras aeneus
- South America
Buenos Aires tetra
Hyphessobrycon anisitsi
Temp18–28°CpH6–8Size13.2 cmDietOmnivoreSwimMiddleDifficultyModerateBuenos Aires tetra
Hyphessobrycon anisitsi
- North America
Butterfly splitfin
Ameca splendens
Temp20–26°CpH6–8Size8 cmDietOmnivoreSwimMiddleDifficultyModerateButterfly splitfin
Ameca splendens
- Asia
Checkered barb
Oliotius oligolepis
Temp20–25°CpH6–6.5Size5 cmDietOmnivoreSwimMiddleDifficultyModerateCheckered barb
Oliotius oligolepis
- Asia
Cherry barb
Puntius titteya
Temp23–27°CpH6–8Size5 cmDietOmnivoreSwimMiddleDifficultyModerateCherry barb
Puntius titteya
- South America
Chessboard cichlid
Dicrossus filamentosus
Temp24–28°CpH5–7Size3.8 cmDietOmnivoreSwimMiddleDifficultyModerateChessboard cichlid
Dicrossus filamentosus
- Asia
Chinese barb
Barbodes semifasciolatus
Temp18–24°CpH6–8Size7.6 cmDiet—SwimMiddleDifficultyModerateChinese barb
Barbodes semifasciolatus
- Asia
Clown loach
Chromobotia macracanthus
Temp25–30°CpH5–8Size30.5 cmDiet—SwimBottomDifficultyModerateClown loach
Chromobotia macracanthus
- Asia
Clown rasbora
Rasbora kalochroma
Temp23–27°CpH5–6.5Size10 cmDietOmnivoreSwimMiddleDifficultyModerateClown rasbora
Rasbora kalochroma
- South America
Cockatoo cichlid
Apistogramma cacatuoides
Temp22–29°CpH6–8Size5 cmDietOmnivoreSwimBottomDifficultyEasyCockatoo cichlid
Apistogramma cacatuoides
- Asia
Colored snakehead
Channa pulchra
Temp20–26°CpH6.5–7.5Size30 cmDiet—SwimMiddleDifficultyModerateColored snakehead
Channa pulchra
- Africa
Congo tetra
Phenacogrammus interruptus
Temp22.8–27.8°CpH6–8Size8 cmDiet—SwimMiddleDifficultyModerateCongo tetra
Phenacogrammus interruptus
- Asia
Coolie loach
Pangio kuhlii
Temp24–29°CpH5.5–6.5Size12 cmDietOmnivoreSwimBottomDifficultyModerateCoolie loach
Pangio kuhlii
- Asia
Crescent betta
Betta imbellis
Temp20–28°CpH6–7Size6 cmDietCarnivoreSwimMiddleDifficultyModerateCrescent betta
Betta imbellis
- South America
Demon eartheater
Satanoperca jurupari
Temp26–30°CpH6.3–7Size26 cmDiet—SwimBottomDifficultyModerateDemon eartheater
Satanoperca jurupari
- 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—SwimMiddleDifficultyEasyDwarf danio
Danio nigrofasciatus
- Asia
Dwarf gourami
Trichogaster lalius
Temp22–28°CpH6–8Size9.5 cmDietOmnivoreSwimMiddleDifficultyModerateDwarf gourami
Trichogaster lalius
- Africa
Elephantnose fish
Gnathonemus petersii
Temp22.8–27.8°CpH6–8Size35 cmDietOmnivoreSwimMiddleDifficultyModerateElephantnose fish
Gnathonemus petersii
- South America
Ember tetra
Hyphessobrycon amandae
Temp24–28°CpH6–7Size2 cmDiet—SwimMiddleDifficultyModerateEmber tetra
Hyphessobrycon amandae
- Asia
Eyespot pufferfish
Tetraodon biocellatus
Temp22.2–26.1°CpH6.5–7.5Size8 cmDiet—SwimMiddleDifficultyModerateEyespot 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 cmDietCarnivoreSwimBottomDifficultyModerateFire eel
Mastacembelus erythrotaenia
- Central America
Firemouth cichlid
Thorichthys meeki
Temp20–32°CpH6.5–7.5Size17 cmDietOmnivoreSwimMiddleDifficultyModerateFiremouth cichlid
Thorichthys meeki
- Asia
Flying fox
Epalzeorhynchos kalopterus
Temp23–27°CpH6.5–7Size16 cmDietOmnivoreSwimMiddleDifficultyModerateFlying fox
Epalzeorhynchos kalopterus
- Oceania
Forktail rainbowfish
Pseudomugil furcatus
Temp—pH6–8Size5 cmDiet—SwimMiddleDifficultyModerateForktail rainbowfish
Pseudomugil furcatus
- South America
Freshwater angelfish
Pterophyllum scalare
Temp24–30°CpH6–8Size10.5 cmDiet—SwimMiddleDifficultyModerateFreshwater 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—SwimMiddleDifficultyModerateFreshwater 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 cmDietOmnivoreSwimMiddleDifficultyModerateGhost shrimp
Palaemonetes paludosus
- Asia
Giant danio
Devario aequipinnatus
Temp22–24°CpH6–8Size15 cmDietOmnivoreSwimAll levelsDifficultyModerateGiant danio
Devario aequipinnatus
- South America
Glass bloodfin
Prionobrama filigera
Temp22.8–26.7°CpH6–7.8Size6 cmDiet—SwimMiddleDifficultyModerateGlass bloodfin
Prionobrama filigera
- Asia
Glass catfish
Kryptopterus vitreolus
Temp21–26°CpH6.5–7.5Size6.5 cmDiet—SwimBottomDifficultyModerateGlass catfish
Kryptopterus vitreolus
- Africa
Globe fish
Tetraodon lineatus
Temp23.9–26.1°CpH6.5–7.5Size43 cmDietOmnivoreSwimMiddleDifficultyExpertGlobe 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—SwimMiddleDifficultyModerateGoldspotted snakehead
Channa aurantimaculata
- Africa
Gray bichir
Polypterus senegalus
Temp—pH6–8Size70 cmDiet—SwimBottomDifficultyModerateGray bichir
Polypterus senegalus
- South America
Green terror
Andinoacara rivulatus
Temp22–26°CpH6.5–8Size20 cmDiet—SwimMiddleDifficultyModerateGreen terror
Andinoacara rivulatus
- South America
Greenstreaked eartheater
Biotodoma cupido
Temp24–29°CpH6–8Size11.7 cmDiet—SwimMiddleDifficultyModerateGreenstreaked eartheater
Biotodoma cupido
- South America
Guitarrita
Bunocephalus coracoideus
Temp20–27°CpH6–8Size11 cmDietOmnivoreSwimBottomDifficultyModerateGuitarrita
Bunocephalus coracoideus
- Asia
Harlequin rasbora
Trigonostigma heteromorpha var
Temp—pH5–7Size5 cmDietOmnivoreSwimMiddleDifficultyEasyHarlequin 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 cmDietOmnivoreSwimMiddleDifficultyModerateHead-and-taillight tetra
Hemigrammus ocellifer
- Asia
Hillstream loach
Gastromyzon punctulatus
Temp18–24°CpH6.5–7.5Size6.5 cmDiet—SwimBottomDifficultyModerateHillstream loach
Gastromyzon punctulatus
- Oceania
Honey blue eye
Pseudomugil mellis
Temp24–28°CpH6–8Size3.5 cmDiet—SwimMiddleDifficultyModerateHoney blue eye
Pseudomugil mellis
- Asia
Honey gourami
Trichogaster chuna
Temp22–27°CpH6–8Size13.7 cmDiet—SwimMiddleDifficultyModerateHoney gourami
Trichogaster chuna
- Asia
Indonesian snakehead
Channa micropeltes
Temp24–30°CpH6–8Size130 cmDietCarnivoreSwimMiddleDifficultyHardIndonesian snakehead
Channa micropeltes
- South America
Jewel tetra
Hyphessobrycon eques var.
Temp22–26°CpH5–7.8Size4 cmDietOmnivoreSwimMiddleDifficultyModerateJewel 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—SwimMiddleDifficultyModerateJewelfish
Hemichromis bimaculatus
- Asia
Kissing gourami
Helostoma temminckii
Temp22–28°CpH6–8Size30 cmDiet—SwimMiddleDifficultyModerateKissing gourami
Helostoma temminckii
- Asia
Least rasbora
Boraras urophthalmoides
Temp24–28°CpH6–7Size4 cmDietOmnivoreSwimMiddleDifficultyEasyLeast 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
- South America
Neon tetra
Paracheirodon innesi
Temp21–25°CpH5–7Size2.5 cmDiet—SwimMiddleDifficultyEasyNeon tetra
Paracheirodon innesi
- South America
Neon tetra
Paracheirodon innesi var.
Temp20–26°CpH5–7Size2.5 cmDietOmnivoreSwimMiddleDifficultyEasyNeon tetra
Paracheirodon innesi var.
- South America
Ornate tetra
Hyphessobrycon bentosi
Temp24–28°CpH5.8–7.5Size4.3 cmDietOmnivoreSwimMiddleDifficultyModerateOrnate tetra
Hyphessobrycon bentosi
- South America
Oscar
Astronotus ocellatus
Temp22–28°CpH6–8Size45.7 cmDiet—SwimMiddleDifficultyModerateOscar
Astronotus ocellatus
- South America
Palespotted corydoras
Corydoras gossei
Temp22–26°CpH6–8Size5.5 cmDietOmnivoreSwimBottomDifficultyEasyPalespotted corydoras
Corydoras gossei
- 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—SwimMiddleDifficultyModeratePearl gourami
Trichopodus leerii
- South America
Peppered corydoras
Corydoras paleatus
Temp18–24°CpH6–8Size6.6 cmDiet—SwimBottomDifficultyEasyPeppered corydoras
Corydoras paleatus
- South America
Pictus cat
Pimelodus pictus
Temp22–26°CpH6–8Size11 cmDiet—SwimBottomDifficultyModeratePictus cat
Pimelodus pictus
- Asia
Pond loach
Misgurnus anguillicaudatus
Temp10–25°CpH6.5–8Size28 cmDietOmnivoreSwimBottomDifficultyModeratePond 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—SwimMiddleDifficultyModeratePygmy gourami
Trichopsis pumila
- Africa
Rainbow krib
Pelvicachromis pulcher
Temp24–27°CpH5–8Size11 cmDiet—SwimMiddleDifficultyModerateRainbow krib
Pelvicachromis pulcher
- North America
Rainbow shiner
Notropis chrosomus
Temp10–22°CpH6.5–7.5Size8.1 cmDiet—SwimMiddleDifficultyModerateRainbow shiner
Notropis chrosomus
- Asia
Red Cherry Rasbora
Rasbora lacrimula
Temp22–26°CpH4–7.5Size3.1 cmDietInsectivoreSwimMiddleDifficulty—Red Cherry Rasbora
Rasbora lacrimula
- 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 cmDietOmnivoreSwimMiddleDifficultyModerateRedhump eartheater
Geophagus steindachneri
- South America
Redstriped eartheater
Geophagus surinamensis
Temp24–29°CpH6–8Size17.2 cmDiet—SwimMiddleDifficultyModerateRedstriped 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 cmDietOmnivoreSwimMiddleDifficultyModerateRio Grande cichlid
Herichthys cyanoguttatus
- Asia
Rosy barb
Pethia conchonius
Temp16–24°CpH6–8Size14 cmDiet—SwimMiddleDifficultyModerateRosy 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 cmDietHerbivoreSwimBottomDifficultyModerateRoyal panaque
Panaque nigrolineatus
- Asia
Ruby barb
Pethia padamya
Temp20–25°CpH6.5–7.5Size4.6 cmDiet—SwimMiddleDifficultyModerateRuby barb
Pethia padamya
- South America
Rummy-nose tetra
Hemigrammus rhodostomus
Temp24–28°CpH5.5–7Size5 cmDiet—SwimMiddleDifficultyEasyRummy-nose tetra
Hemigrammus rhodostomus
- Asia
Scarlet badis
Dario dario
Temp18–26°CpH6.5–8.5Size1.5 cmDiet—SwimMiddleDifficultyModerateScarlet badis
Dario dario
- South America
Schwartz's catfish
Corydoras schwartzi
Temp22–26°CpH6–8Size3.9 cmDiet—SwimBottomDifficultyModerateSchwartz's catfish
Corydoras schwartzi
- Asia
Siamese algae-eater
Gyrinocheilus aymonieri
Temp22–28°CpH6–8Size28 cmDiet—SwimMiddleDifficultyModerateSiamese algae-eater
Gyrinocheilus aymonieri
- Asia
Siamese fighting fish
Betta splendens hybrid
Temp24–30°CpH6–8Size6.5 cmDiet—SwimAll levelsDifficultyEasySiamese fighting fish
Betta splendens hybrid
- Asia
Siamese fighting fish
Betta splendens
Temp24–30°CpH6–8Size6.5 cmDiet—SwimMiddleDifficultyModerateSiamese fighting fish
Betta splendens
- Asia
Siamese fighting fish
Betta splendens var.
Temp24–30°CpH6–8Size6.5 cmDietCarnivoreSwimMiddleDifficultyModerateSiamese fighting fish
Betta splendens var.
- Asia
Siamese flying fox
Crossocheilus oblongus
Temp22–26°CpH6.5–8Size16 cmDiet—SwimMiddleDifficultyModerateSiamese flying fox
Crossocheilus oblongus
- South America
Silvertip tetra
Hasemania nana
Temp22–28°CpH6–8Size3.8 cmDiet—SwimMiddleDifficultyModerateSilvertip tetra
Hasemania nana
- Asia
Small snakehead
Channa asiatica
Temp10–25°CpH6.5–8Size23.5 cmDietCarnivoreSwimMiddleDifficultyModerateSmall snakehead
Channa asiatica
- South America
Splash tetra
Copella arnoldi
Temp22–28°CpH6–8Size4.2 cmDiet—SwimMiddleDifficultyModerateSplash tetra
Copella arnoldi
- South America
Sterba's cory
Corydoras sterbai
Temp24–28°CpH6–8Size6.8 cmDietOmnivoreSwimBottomDifficultyEasySterba's cory
Corydoras sterbai
- Asia
Striped panchax
Aplocheilus lineatus
Temp22–26°CpH6–7.5Size10 cmDiet—SwimMiddleDifficultyModerateStriped 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—SwimMiddleDifficultyModerateThree spot gourami
Trichogaster trichopterus
- Asia
Three-lined rasbora
Rasbora trilineata
Temp22–25°CpH6–8Size13 cmDietOmnivoreSwimMiddleDifficultyModerateThree-lined rasbora
Rasbora trilineata
- South America
Threespot eartheater
Satanoperca daemon
Temp26–30°CpH5–6.5Size20.9 cmDiet—SwimMiddleDifficultyModerateThreespot eartheater
Satanoperca daemon
- Asia
Tinfoil barb
Barbonymus schwanenfeldii
Temp22–25°CpH6.5–7Size35 cmDietOmnivoreSwimMiddleDifficultyModerateTinfoil 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 cmDietOmnivoreSwimBottomDifficultyModerateUmbrella cichlid
Apistogramma borellii
- Asia
Walking snakehead
Channa orientalis
Temp22–28°CpH6–8Size33 cmDiet—SwimMiddleDifficultyModerateWalking snakehead
Channa orientalis
- South America
Whiptail catfish
Farlowella acus
Temp24–28°CpH6–7Size16 cmDietHerbivoreSwimBottomDifficultyModerateWhiptail catfish
Farlowella acus
- Asia
White cloud mountain minnow
Tanichthys albonubes
Temp14–22°CpH6–8Size4 cmDiet—SwimMiddleDifficultyEasyWhite cloud mountain minnow
Tanichthys albonubes
- Asia
Zebra danio
Danio rerio
Temp—pH6–8Size3.8 cmDiet—SwimAll levelsDifficultyEasyZebra 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 cmDietCarnivoreSwimMiddleDifficultyModerateZig-zag eel
Mastacembelus armatus
- South America
Otocinclus vittatus
Temp21–26°CpH6–7.5Size3.3 cmDiet—SwimBottomDifficultyEasyOtocinclus vittatus
- South AmericaNo image
Oxyropsis carinata
Temp24–28°CpH6–7.5Size7.6 cmDietHerbivoreSwimBottomDifficulty—Oxyropsis carinata
- Asia
Opsariichthys bidens
Temp5–24°CpH6.5–8Size26.1 cmDiet—SwimMiddleDifficultyModerateOpsariichthys bidens
- Asia
Microdevario microphthalma
Temp20–26°CpH6.5–7.5Size2.6 cmDietInsectivoreSwimMiddleDifficulty—Microdevario microphthalma
- Asia
Zacco chengtui
Temp5–24°CpH6.5–7.5Size12 cmDietOmnivoreSwimMiddleDifficultyModerateZacco chengtui
- South America
Ancistrus ranunculus
Temp22–26°CpH6–7Size19.5 cmDiet—SwimBottomDifficultyModerateAncistrus ranunculus
Pethia fasciata
Temp22–26°CpH6–7Size8 cmDietOmnivoreSwimMiddleDifficultyModeratePethia fasciata
- Asia
Boraras brigittae
Temp24–28°CpH6.5–7Size3.5 cmDietOmnivoreSwimMiddleDifficultyEasyBoraras brigittae
Bedotia madagascarensis
Temp—pH4.5–7.5Size10 cmDietOmnivoreSwimMiddleDifficultyModerateBedotia madagascarensis
- South America
Parotocinclus eppleyi
Temp22–26°CpH6–7Size3 cmDiet—SwimBottomDifficultyModerateParotocinclus eppleyi
Neocaridina davidi var. blue
Temp18–28°CpH6.5–8Size3 cmDietOmnivoreSwimMiddleDifficultyModerateNeocaridina davidi var. blue
Pangio shelfordii
Temp24–29°CpH6–7Size8 cmDiet—SwimMiddleDifficultyModeratePangio shelfordii
- South America
Sturisoma festivum
Temp24–28°CpH6–7.5Size16.9 cmDiet—SwimBottomDifficultyModerateSturisoma festivum
Neocaridina davidi
Temp18–28°CpH6.5–8Size3 cmDiet—SwimMiddleDifficultyEasyNeocaridina davidi
Staurogyne repens
Temp20–28°CpH6–7.5Size5 cmDietOmnivoreSwimMiddleDifficultyModerateStaurogyne repens
- South America
Peckoltia compta
Temp24–29°CpH6–7.5Size6.2 cmDiet—SwimBottomDifficultyModeratePeckoltia compta
- Asia
Beaufortia pingi
Temp18–24°CpH6.5–7.5Size7.4 cmDietHerbivoreSwimBottomDifficulty—Beaufortia pingi
- Asia
Garra flavatra
Temp22–26°CpH6.5–7.5Size6.2 cmDiet—SwimMiddleDifficultyModerateGarra flavatra
- Asia
Pseudogastromyzon cheni
Temp15–24°CpH6.5–7.5Size5 cmDietOmnivoreSwimBottomDifficultyModeratePseudogastromyzon cheni
- South America
Erythrinus erythrinus
Temp22–28°CpH5.6–7.8Size20 cmDiet—SwimMiddleDifficultyModerateErythrinus erythrinus
- South America
Otocinclus cocama
Temp21–25°CpH6–7Size4.4 cmDiet—SwimBottomDifficultyModerateOtocinclus cocama
- Asia
Tanakia himantegus
Temp10–25°CpH6.5–7.8Size8 cmDietOmnivoreSwimMiddleDifficultyModerateTanakia himantegus
- Asia
Betta channoides
Temp24–28°CpH5–6.5Size2 cmDiet—SwimMiddleDifficultyModerateBetta channoides
- Asia
Boraras naevus
Temp24–28°CpH5–6.5Size1.3 cmDiet—SwimMiddleDifficultyEasyBoraras naevus
- South America
Heros efasciatus var.
Temp24–29°CpH6–7.5Size17 cmDiet—SwimMiddleDifficultyModerateHeros efasciatus var.
- Asia
Crossocheilus reticulatus
Temp22–26°CpH6.5–7.5Size17 cmDiet—SwimMiddleDifficultyModerateCrossocheilus reticulatus
- Asia
Betta albimarginata
Temp24–28°CpH5–6.5Size2.8 cmDiet—SwimMiddleDifficultyModerateBetta albimarginata
- Asia
Hara jerdoni
Temp18–24°CpH6–7.5Size4 cmDietOmnivoreSwimBottomDifficultyModerateHara jerdoni
- Asia
Danio kyathit
Temp22–26°CpH6.5–7.5Size3.5 cmDiet—SwimMiddleDifficultyEasyDanio kyathit
- South America
Leporacanthicus galaxias
Temp24–28°CpH6.2–7.2Size21.1 cmDietOmnivoreSwimBottomDifficultyModerateLeporacanthicus galaxias
Atya gabonensis
Temp24–28°CpH6.5–7.5Size15 cmDietOmnivoreSwimMiddleDifficultyModerateAtya gabonensis
- Asia
Homaloptera orthogoniata
Temp20–26°CpH6.5–7.5Size13 cmDietOmnivoreSwimBottomDifficultyModerateHomaloptera orthogoniata
- South America
Baryancistrus xanthellus
Temp25–30°CpH6–7.5Size29.7 cmDietOmnivoreSwimBottomDifficultyModerateBaryancistrus xanthellus
- Asia
Oryzias woworae
Temp24–28°CpH6–7Size2.8 cmDiet—SwimMiddleDifficultyModerateOryzias woworae
- Asia
Danio choprae
Temp22–26°CpH6.5–7.5Size3.1 cmDietOmnivoreSwimMiddleDifficultyModerateDanio choprae
Caridina multidentata
Temp15–27°CpH6.5–7.5Size5 cmDietHerbivoreSwimAll levelsDifficultyEasyCaridina multidentata
- South America
Mikrogeophagus altispinosus
Temp22–26°CpH6–7.5Size5.6 cmDietOmnivoreSwimMiddleDifficultyModerateMikrogeophagus altispinosus
Atyopsis moluccensis
Temp22–28°CpH6.5–7.5Size10 cmDietDetritivoreSwimBottomDifficultyModerateAtyopsis moluccensis
Neocaridina davidi var. rili
Temp18–28°CpH6.5–8Size3 cmDiet—SwimMiddleDifficultyEasyNeocaridina davidi var. rili
- Asia
Danio tinwini
Temp22–26°CpH6.5–7.5Size2.2 cmDiet—SwimMiddleDifficultyModerateDanio tinwini
- South America
Scobinancistrus aureatus
Temp25–29°CpH5.5–7Size29 cmDietHerbivoreSwimBottomDifficultyModerateScobinancistrus aureatus
- Asia
Sundadanio axelrodi
Temp23–26°CpH5–6.5Size2.3 cmDiet—SwimMiddleDifficultyModerateSundadanio axelrodi
Osteoglossum ferreirae
Temp24–30°CpH5–6.5Size80 cmDietCarnivoreSwimMiddleDifficultyExpertOsteoglossum ferreirae
- South America
Uaru fernandezyepezi
Temp27–30°CpH5–6.5Size19 cmDiet—SwimMiddleDifficultyModerateUaru fernandezyepezi
Anentome helena
Temp20–28°CpH6.5–7.5Size3 cmDietCarnivoreSwimMiddleDifficultyExpertAnentome helena
- South America
Hyphessobrycon columbianus
Temp24–28°CpH6–7.5Size7 cmDietOmnivoreSwimMiddleDifficultyModerateHyphessobrycon columbianus
- South America
Loricaria simillima
Temp22–28°CpH6–7.5Size26.4 cmDiet—SwimBottomDifficultyModerateLoricaria simillima
- South America
Megalechis thoracata
Temp18–28°CpH6–8Size15.5 cmDiet—SwimBottomDifficultyModerateMegalechis thoracata
- South America
Sturisoma aureum
Temp24–28°CpH6–8Size20 cmDiet—SwimBottomDifficultyModerateSturisoma aureum
Neocaridina davidi var. yellow
Temp18–28°CpH6.5–8Size3 cmDietOmnivoreSwimMiddleDifficultyEasyNeocaridina davidi var. yellow
- South America
Farlowella vittata
Temp24–28°CpH6–7Size22.5 cmDiet—SwimBottomDifficultyModerateFarlowella vittata