South America
Adolf's catfish
Corydoras adolfoi
Temp22–26°C
pH6–7
Size5.7 cm
DietOmnivore
SwimBottom
DifficultyModerate
Adolf's catfish
Corydoras adolfoi
fish
Peaceful community aquarium fish
Species described as peaceful in temperament — still verify species-by-species compatibility and tank volume.
164 species
- South America
Agassiz's dwarf cichlid
Apistogramma agassizii
Temp22–29°CpH5–7Size4.4 cmDietCarnivoreSwimBottomDifficultyModerateAgassiz's dwarf cichlid
Apistogramma agassizii
- Japan, Taiwan, Korea
Amano Shrimp
Caridina multidentata
Temp18–28°CpH6.5–7.5Size5 cmDietHerbivoreSwimAll levelsDifficultyEasyAmano Shrimp
Caridina multidentata
- South America
Arawana
Osteoglossum bicirrhosum
Temp20–30°CpH5–7.5Size80 cmDietCarnivoreSwimTopDifficultyExpertArawana
Osteoglossum bicirrhosum
- Asia
Asian Stone Catfish
Hara jerdoni
Temp18–24°CpH6–7.5Size4 cmDietOmnivoreSwimBottomDifficultyModerateAsian Stone Catfish
Hara jerdoni
- Southeast Asia (Indonesia, Thailand, Malaysia)
Assassin Snail
Anentome helena
Temp20–28°CpH7.2–8.5Size3 cmDietCarnivoreSwimBottomDifficultyEasyAssassin Snail
Anentome helena
- Southeast Asia (Indonesia, Malaysia, Thailand)
Bamboo Shrimp
Atyopsis moluccensis
Temp22–28°CpH6.5–7.5Size10 cmDietDetritivoreSwimBottomDifficultyModerateBamboo Shrimp
Atyopsis moluccensis
- West Africa
Banded panchax
Epiplatys annulatus
Temp23–26°CpH5.5–7Size3.5 cmDietInsectivoreSwimTopDifficultyModerateBanded panchax
Epiplatys annulatus
- Asia
Beaufortia
Beaufortia pingi
Temp18–24°CpH6.5–7.5Size7.4 cmDietHerbivoreSwimBottomDifficultyModerateBeaufortia
Beaufortia pingi
- South America
Bigtooth river stingray
Potamotrygon henlei
Temp24–28°CpH5.8–7.2Size45 cmDietOmnivoreSwimBottomDifficultyExpertBigtooth river stingray
Potamotrygon henlei
- South America (Brazil, Colombia, Guyana)
Black Arowana
Osteoglossum ferreirae
Temp24–30°CpH5–6.5Size80 cmDietCarnivoreSwimMiddleDifficultyExpertBlack Arowana
Osteoglossum ferreirae
- South America
Black ghost
Apteronotus albifrons
Temp23–28°CpH6–8Size50 cmDietCarnivoreSwimBottomDifficultyModerateBlack ghost
Apteronotus albifrons
- South America
Black neon tetra
Hyphessobrycon herbertaxelrodi
Temp20–28°CpH5–7.5Size3.2 cmDietOmnivoreSwimMiddleDifficultyEasyBlack neon tetra
Hyphessobrycon herbertaxelrodi
- South America
Black phantom tetra
Hyphessobrycon megalopterus
Temp22–26°CpH6–7.5Size3.6 cmDietOmnivoreSwimMiddleDifficultyModerateBlack phantom tetra
Hyphessobrycon megalopterus
- Asia
Black ruby barb
Pethia nigrofasciata
Temp20–27°CpH5.5–7.5Size5.5 cmDietOmnivoreSwimMiddleDifficultyEasyBlack ruby barb
Pethia nigrofasciata
- South America
Black tetra
Gymnocorymbus ternetzi
Temp20–26°CpH6–8Size7.5 cmDietOmnivoreSwimMiddleDifficultyEasyBlack tetra
Gymnocorymbus ternetzi
- South America
Blackline penguinfish
Thayeria boehlkei
Temp22–28°CpH5.5–8Size6 cmDietOmnivoreSwimMiddleDifficultyModerateBlackline penguinfish
Thayeria boehlkei
- Asia
Blackline rasbora
Rasbora borapetensis
Temp22–26°CpH6–7.5Size5 cmDietOmnivoreSwimMiddleDifficultyModerateBlackline rasbora
Rasbora borapetensis
- South America
Bleeding-heart tetra
Hyphessobrycon erythrostigma
Temp23–28°CpH5.6–7.2Size6.1 cmDietOmnivoreSwimMiddleDifficultyModerateBleeding-heart tetra
Hyphessobrycon erythrostigma
- Asia
Blue Belly Goby
Stiphodon percnopterygionus
Temp22–26°CpH6.5–7.5Size5 cmDietHerbivoreSwimBottomDifficultyModerateBlue Belly Goby
Stiphodon percnopterygionus
- Asia
Blue danio
Brachydanio kerri
Temp18–26°CpH6.5–7.5Size4.5 cmDietOmnivoreSwimMiddleDifficultyEasyBlue danio
Brachydanio kerri
- Africa
Blue gularis
Fundulopanchax sjostedti
Temp22–26°CpH6–8Size13 cmDietCarnivoreSwimMiddleDifficultyModerateBlue gularis
Fundulopanchax sjostedti
- Africa
Blue lyretail
Fundulopanchax gardneri
Temp22–26°CpH6–7.2Size6.5 cmDietOmnivoreSwimAll levelsDifficultyModerateBlue lyretail
Fundulopanchax gardneri
- Taiwan (selectively bred)
Blue Velvet Shrimp
Neocaridina davidi var. blue
Temp18–28°CpH6.5–8Size3 cmDietOmnivoreSwimMiddleDifficultyModerateBlue Velvet Shrimp
Neocaridina davidi var. blue
- South America
Blue-eye panaque
Panaque suttonorum
Temp22–26°CpH6.2–7.5Size28 cmDietHerbivoreSwimBottomDifficultyModerateBlue-eye panaque
Panaque suttonorum
- Asia
Boeseman's rainbowfish
Melanotaenia boesemani
Temp27–30°CpH7–8Size11 cmDietOmnivoreSwimMiddleDifficultyModerateBoeseman's rainbowfish
Melanotaenia boesemani
- South America
Bolivian Ram
Mikrogeophagus altispinosus
Temp24–28°CpH6–7.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateBolivian Ram
Mikrogeophagus altispinosus
- Borneo (Southeast Asia)
Borneo Loach
Pangio shelfordii
Temp24–29°CpH6–7Size8 cmDietOmnivoreSwimMiddleDifficultyModerateBorneo Loach
Pangio shelfordii
- South America
Bronze corydoras
Corydoras aeneus
Temp22–26°CpH6–8Size7.5 cmDietOmnivoreSwimBottomDifficultyEasyBronze corydoras
Corydoras aeneus
- South America
Buenos Aires tetra
Hyphessobrycon anisitsi
Temp16–28°CpH5.5–8.5Size6 cmDietOmnivoreSwimMiddleDifficultyModerateBuenos Aires tetra
Hyphessobrycon anisitsi
- North America
Butterfly splitfin
Ameca splendens
Temp20–26°CpH6–8Size8 cmDietOmnivoreSwimMiddleDifficultyModerateButterfly splitfin
Ameca splendens
- Sulawesi, Indonesia
Cardinal Shrimp
Caridina dennerli
Temp26–30°CpH7.5–8.5Size2.5 cmDietOmnivoreSwimBottomDifficultyExpertCardinal Shrimp
Caridina dennerli
- South America
Cardinal tetra
Paracheirodon axelrodi
Temp23.9–28.9°CpH4–6Size3 cmDietPlanktivoreSwimMiddleDifficultyEasyCardinal tetra
Paracheirodon axelrodi
- Asia
Celebes rainbowfish
Marosatherina ladigesi
Temp22.2–27.8°CpH7–8Size8 cmDietOmnivoreSwimAll levelsDifficultyModerateCelebes rainbowfish
Marosatherina ladigesi
- Asia
Checkered barb
Oliotius oligolepis
Temp18–25°CpH5.5–7.5Size4.5 cmDietOmnivoreSwimMiddleDifficultyEasyCheckered barb
Oliotius oligolepis
- Asia
Chen Hillstream Loach
Pseudogastromyzon cheni
Temp15–24°CpH6.5–7.5Size5 cmDietOmnivoreSwimBottomDifficultyModerateChen Hillstream Loach
Pseudogastromyzon cheni
- Asia
Cherry barb
Puntius titteya
Temp20–27°CpH6–8Size5 cmDietOmnivoreSwimMiddleDifficultyModerateCherry barb
Puntius titteya
- Taiwan (selectively bred from wild Neocaridina davidi)
Cherry Shrimp
Neocaridina davidi
Temp18–28°CpH6.5–8Size3 cmDietOmnivoreSwimBottomDifficultyEasyCherry Shrimp
Neocaridina davidi
- South America
Chessboard cichlid
Dicrossus filamentosus
Temp27–30°CpH4.5–7Size10 cmDietOmnivoreSwimBottomDifficultyModerateChessboard cichlid
Dicrossus filamentosus
- Asia
Chili Rasbora
Boraras brigittae
Temp24–28°CpH6.5–7Size3.5 cmDietOmnivoreSwimMiddleDifficultyEasyChili Rasbora
Boraras brigittae
- Asia
Chinese barb
Barbodes semifasciolatus
Temp16–24°CpH6–8Size7.5 cmDietOmnivoreSwimMiddleDifficultyEasyChinese barb
Barbodes semifasciolatus
- Asia
Chinese Bitterling
Rhodeus sinensis
Temp5–26°CpH7–8.5Size10.8 cmDietOmnivoreSwimMiddleDifficultyModerateChinese Bitterling
Rhodeus sinensis
- Asia
Chocolate gourami
Sphaerichthys osphromenoides
Temp26–31°CpH4–6.5Size5 cmDietCarnivoreSwimMiddleDifficultyModerateChocolate gourami
Sphaerichthys osphromenoides
- Asia
Clown loach
Chromobotia macracanthus
Temp25–30°CpH5–8Size30.5 cmDietOmnivoreSwimBottomDifficultyModerateClown loach
Chromobotia macracanthus
- Asia
Clown rasbora
Rasbora kalochroma
Temp23–28°CpH5–7.5Size10 cmDietOmnivoreSwimMiddleDifficultyModerateClown rasbora
Rasbora kalochroma
- Asia
Cobalt Blue Goby
Stiphodon semoni
Temp22–28°CpH7–8Size4.6 cmDietOmnivoreSwimMiddleDifficultyModerateCobalt Blue Goby
Stiphodon semoni
- South America
Cockatoo cichlid
Apistogramma cacatuoides
Temp22–29°CpH6–8Size5 cmDietCarnivoreSwimBottomDifficultyEasyCockatoo cichlid
Apistogramma cacatuoides
- South America
Colombian Tetra
Hyphessobrycon columbianus
Temp24–28°CpH6–7.5Size7 cmDietOmnivoreSwimMiddleDifficultyModerateColombian Tetra
Hyphessobrycon columbianus
- Africa
Congo tetra
Phenacogrammus interruptus
Temp23–28°CpH6–7.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateCongo 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°CpH5–7.5Size5.5 cmDietCarnivoreSwimTopDifficultyModerateCrescent betta
Betta imbellis
- Asia
Daisy's Rice Fish
Oryzias woworae
Temp23–27°CpH6–7.5Size2.8 cmDietOmnivoreSwimMiddleDifficultyModerateDaisy's Rice Fish
Oryzias woworae
- Asia
Denison barb
Sahyadria denisonii
Temp15–25°CpH6.8–7.8Size15 cmDietOmnivoreSwimMiddleDifficultyModerateDenison barb
Sahyadria denisonii
- Oceania
Desert goby
Chlamydogobius eremius
Temp20–28°CpH7–8.5Size6 cmDietOmnivoreSwimMiddleDifficultyModerateDesert goby
Chlamydogobius eremius
- South America
Diamond tetra
Moenkhausia pittieri
Temp24–28°CpH5.5–7Size6 cmDietOmnivoreSwimMiddleDifficultyModerateDiamond tetra
Moenkhausia pittieri
- Asia
Dwarf danio
Danio nigrofasciatus
Temp18–26°CpH6.5–7.5Size3.7 cmDietOmnivoreSwimMiddleDifficultyEasyDwarf danio
Danio nigrofasciatus
- Indonesia (Mamberamo River, Papua)
Dwarf rainbowfish
Melanotaenia praecox
Temp23–28°CpH6.8–7.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateDwarf rainbowfish
Melanotaenia praecox
- Asia
Dwarf rasbora
Boraras maculatus
Temp20–28°CpH5–6.5Size2.5 cmDietOmnivoreSwimMiddleDifficultyModerateDwarf rasbora
Boraras maculatus
- Africa
Elephantnose fish
Gnathonemus petersii
Temp23–28°CpH6–7.5Size22.5 cmDietInsectivoreSwimBottomDifficultyModerateElephantnose fish
Gnathonemus petersii
- South America
Ember tetra
Hyphessobrycon amandae
Temp20–28°CpH5–7Size2 cmDietOmnivoreSwimMiddleDifficultyEasyEmber tetra
Hyphessobrycon amandae
- Asia
Emerald Dwarf Rasbora
Danio erythromicron
Temp20–24°CpH7–8Size2 cmDietOmnivoreSwimMiddleDifficultyEasyEmerald Dwarf Rasbora
Danio erythromicron
- South America
Endlers guppy
Poecilia wingei
Temp24–30°CpH7–8.5Size4.5 cmDietOmnivoreSwimMiddleDifficultyEasyEndlers guppy
Poecilia wingei
- South America
Farlowella Catfish
Farlowella vittata
Temp24–28°CpH6–7Size22.5 cmDietHerbivoreSwimBottomDifficultyModerateFarlowella Catfish
Farlowella vittata
- Asia
Fire eel
Mastacembelus erythrotaenia
Temp24–28°CpH6–8Size100 cmDietCarnivoreSwimBottomDifficultyModerateFire eel
Mastacembelus erythrotaenia
- Asia
Fiveband barb
Desmopuntius pentazona
Temp21–26°CpH4–7Size5.5 cmDietOmnivoreSwimMiddleDifficultyEasyFiveband barb
Desmopuntius pentazona
- Oceania
Forktail rainbowfish
Pseudomugil furcatus
Temp—pH6–8Size5 cmDietOmnivoreSwimMiddleDifficultyModerateForktail rainbowfish
Pseudomugil furcatus
- Asia
Galaxy rasbora
Danio margaritatus
Temp20–26°CpH6.5–7.5Size2.1 cmDietOmnivoreSwimMiddleDifficultyEasyGalaxy rasbora
Danio margaritatus
- Southeastern United States
Ghost shrimp
Palaemon paludosus
Temp18–28°CpH6.5–8Size4 cmDietOmnivoreSwimMiddleDifficultyEasyGhost shrimp
Palaemon paludosus
- South America
Giant Whiptail
Sturisoma aureum
Temp24–28°CpH6–8Size20 cmDietOmnivoreSwimBottomDifficultyModerateGiant Whiptail
Sturisoma aureum
- South America
Glass bloodfin
Prionobrama filigera
Temp23–27°CpH6–7.5Size6 cmDietOmnivoreSwimTopDifficultyEasyGlass bloodfin
Prionobrama filigera
- Asia
Glass catfish
Kryptopterus vitreolus
Temp20–26°CpH4–7Size6.5 cmDietCarnivoreSwimTopDifficultyModerateGlass catfish
Kryptopterus vitreolus
- Asia
Glowlight Danio
Danio choprae
Temp16–26°CpH6.5–7.5Size3.1 cmDietOmnivoreSwimMiddleDifficultyModerateGlowlight Danio
Danio choprae
- South America
Glowlight tetra
Hemigrammus erythrozonus
Temp24–28°CpH5.5–7.5Size4 cmDietOmnivoreSwimMiddleDifficultyEasyGlowlight tetra
Hemigrammus erythrozonus
- Asia
Gold Ring Danio
Brachydanio tinwini
Temp18–26°CpH6.5–7.5Size3 cmDietOmnivoreSwimTopDifficultyModerateGold Ring Danio
Brachydanio tinwini
- Central America
Green swordtail
Xiphophorus hellerii
Temp16–28°CpH7–8Size16 cmDietOmnivoreSwimAll levelsDifficultyEasyGreen swordtail
Xiphophorus hellerii
- South America
Guitarrita
Bunocephalus coracoideus
Temp20–27°CpH5.8–7.8Size15 cmDietOmnivoreSwimBottomDifficultyModerateGuitarrita
Bunocephalus coracoideus
- South America
Guppy
Poecilia reticulata
Temp17–28°CpH7–8Size5 cmDietOmnivoreSwimTopDifficultyEasyGuppy
Poecilia reticulata
- Asia
Harlequin rasbora
Trigonostigma heteromorpha
Temp21–28°CpH5–7.5Size4.5 cmDietOmnivoreSwimMiddleDifficultyEasyHarlequin rasbora
Trigonostigma heteromorpha
- South America
Head-and-taillight tetra
Hemigrammus ocellifer
Temp24–28°CpH5.5–7.5Size4.5 cmDietOmnivoreSwimMiddleDifficultyModerateHead-and-taillight tetra
Hemigrammus ocellifer
- Asia
Hillstream loach
Gastromyzon punctulatus
Temp23–25°CpH6.5–7.5Size6.5 cmDietOmnivoreSwimBottomDifficultyModerateHillstream loach
Gastromyzon punctulatus
- Oceania
Honey blue eye
Pseudomugil mellis
Temp20–28°CpH6–7.5Size3.5 cmDietOmnivoreSwimMiddleDifficultyModerateHoney blue eye
Pseudomugil mellis
- Asia
Honey gourami
Trichogaster chuna
Temp22–27°CpH6–8Size13.7 cmDietOmnivoreSwimMiddleDifficultyModerateHoney gourami
Trichogaster chuna
- South America
Hoplo Catfish
Megalechis thoracata
Temp18–28°CpH6–8Size15.5 cmDietOmnivoreSwimBottomDifficultyEasyHoplo Catfish
Megalechis thoracata
- Asia
Horsehead
Opsariichthys bidens
Temp5–24°CpH6.5–8Size26.1 cmDietOmnivoreSwimMiddleDifficultyModerateHorsehead
Opsariichthys bidens
- Asia
Japanese rice fish
Oryzias latipes
Temp16–22°CpH6.5–8.5Size3.6 cmDietOmnivoreSwimAll levelsDifficultyModerateJapanese rice fish
Oryzias latipes
- Asia
Javanese ricefish
Oryzias javanicus
Temp24–29°CpH7–9Size3.5 cmDietOmnivoreSwimMiddleDifficultyModerateJavanese ricefish
Oryzias javanicus
- South America
Jewel tetra
Hyphessobrycon eques
Temp20–28°CpH5–7.8Size4 cmDietOmnivoreSwimMiddleDifficultyModerateJewel tetra
Hyphessobrycon eques
- Asia
Least rasbora
Boraras urophthalmoides
Temp24–28°CpH6–7Size2 cmDietOmnivoreSwimMiddleDifficultyEasyLeast rasbora
Boraras urophthalmoides
- South America
Lemon tetra
Hyphessobrycon pulchripinnis
Temp20–28°CpH5–7.5Size3.8 cmDietOmnivoreSwimMiddleDifficultyModerateLemon tetra
Hyphessobrycon pulchripinnis
- South America
Leopard corydoras
Corydoras julii
Temp20–26°CpH6–8Size5.5 cmDietOmnivoreSwimBottomDifficultyEasyLeopard corydoras
Corydoras julii
- Asia
Lizard Loach
Homaloptera orthogoniata
Temp20–25°CpH6–7.5Size9.5 cmDietOmnivoreSwimBottomDifficultyModerateLizard Loach
Homaloptera orthogoniata
- Madagascar
Madagascar Rainbow
Bedotia madagascarensis
Temp—pH4.5–7.5Size10 cmDietOmnivoreSwimMiddleDifficultyModerateMadagascar Rainbow
Bedotia madagascarensis
- South America
Medusa Pleco
Ancistrus ranunculus
Temp22–26°CpH6–7Size19.5 cmDietHerbivoreSwimBottomDifficultyModerateMedusa Pleco
Ancistrus ranunculus
- Sri Lanka
Melon Barb
Pethia fasciata
Temp22–26°CpH6–7Size8 cmDietOmnivoreSwimMiddleDifficultyModerateMelon Barb
Pethia fasciata
- Asia
Microdevario
Microdevario microphthalma
Temp20–26°CpH6.5–7.5Size2.6 cmDietInsectivoreSwimMiddleDifficultyEasyMicrodevario
Microdevario microphthalma
- Central America
Molly
Poecilia sphenops
Temp24–28°CpH7.5–8.2Size7.5 cmDietOmnivoreSwimAll levelsDifficultyModerateMolly
Poecilia sphenops
- Asia
Mugilogobius
Mugilogobius hitam
Temp24–28°CpH7–8Size4.3 cmDietInsectivoreSwimBottomDifficultyExpertMugilogobius
Mugilogobius hitam
- South America
Nannoptopoma
Nannoptopoma sternoptychum
Temp—pH—Size3.3 cmDietOmnivoreSwimBottomDifficultyModerateNannoptopoma
Nannoptopoma sternoptychum
- Asia
Neon Blue Rasbora
Sundadanio axelrodi
Temp23–26°CpH4–6.5Size2.5 cmDietOmnivoreSwimMiddleDifficultyHardNeon Blue Rasbora
Sundadanio axelrodi
- South America
Neon tetra
Paracheirodon innesi
Temp21–25°CpH5–7Size2.5 cmDietOmnivoreSwimMiddleDifficultyEasyNeon tetra
Paracheirodon innesi
- Southeast Asia (Indonesia, Philippines)
Onion Snail
Vittina olivacea
Temp22–28°CpH7–8.5Size3 cmDietHerbivoreSwimMiddleDifficultyModerateOnion Snail
Vittina olivacea
- Asia
Orange Fin Danio
Danio kyathit
Temp16–26°CpH6.5–7.5Size4.5 cmDietCarnivoreSwimMiddleDifficultyEasyOrange Fin Danio
Danio kyathit
- South America
Ornate tetra
Hyphessobrycon bentosi
Temp20–28°CpH5–7.5Size4.3 cmDietOmnivoreSwimMiddleDifficultyModerateOrnate tetra
Hyphessobrycon bentosi
- South America
Otocinclus
Otocinclus vittatus
Temp21–26°CpH6–7.5Size3.3 cmDietHerbivoreSwimBottomDifficultyEasyOtocinclus
Otocinclus vittatus
- South America
Oxyropsis
Oxyropsis carinata
Temp24–28°CpH6–7.5Size7.6 cmDietOmnivoreSwimBottomDifficultyMediumOxyropsis
Oxyropsis carinata
- South America
Palespotted corydoras
Corydoras gossei
Temp24–28°CpH5.5–7.5Size5.5 cmDietOmnivoreSwimBottomDifficultyEasyPalespotted corydoras
Corydoras gossei
- South America
Panda corydoras
Corydoras panda
Temp22–26°CpH6–8Size3.8 cmDietOmnivoreSwimBottomDifficultyEasyPanda corydoras
Corydoras panda
- Asia
Panda Garra
Garra flavatra
Temp22–27°CpH6.5–7.5Size9 cmDietOmnivoreSwimMiddleDifficultyModeratePanda Garra
Garra flavatra
- Asia
Panda Loach
Yaoshania pachychilus
Temp20–24°CpH6.5–7.5Size5.8 cmDietOmnivoreSwimMiddleDifficultyModeratePanda Loach
Yaoshania pachychilus
- South America
Parotocinclus
Parotocinclus eppleyi
Temp22–26°CpH6–7Size3 cmDietOmnivoreSwimBottomDifficultyModerateParotocinclus
Parotocinclus eppleyi
- Asia
Peacock eel
Macrognathus siamensis
Temp23–28°CpH6–7.5Size30 cmDietCarnivoreSwimBottomDifficultyModeratePeacock eel
Macrognathus siamensis
- Southeast Asia (Thailand, Malaysia, Indonesia)
Pearl gourami
Trichopodus leerii
Temp23.9–30°CpH5.5–8Size12 cmDietOmnivoreSwimMiddleDifficultyModeratePearl gourami
Trichopodus leerii
- Oceania
Pelew Stiphodon
Stiphodon pelewensis
Temp—pH—Size4.1 cmDietOmnivoreSwimBottomDifficultyHardPelew Stiphodon
Stiphodon pelewensis
- South America
Peppered corydoras
Corydoras paleatus
Temp22–26°CpH6–7Size7 cmDietOmnivoreSwimBottomDifficultyEasyPeppered corydoras
Corydoras paleatus
- Asia
Pond loach
Misgurnus anguillicaudatus
Temp18–23°CpH6.5–8Size28 cmDietOmnivoreSwimBottomDifficultyModeratePond loach
Misgurnus anguillicaudatus
- South America
Pygmy corydoras
Corydoras pygmaeus
Temp22–26°CpH6–8Size2.1 cmDietOmnivoreSwimBottomDifficultyEasyPygmy corydoras
Corydoras pygmaeus
- Asia
Pygmy gourami
Trichopsis pumila
Temp22–28°CpH5–7.5Size4 cmDietOmnivoreSwimMiddleDifficultyModeratePygmy gourami
Trichopsis pumila
- North America
Rainbow shiner
Notropis chrosomus
Temp10–22°CpH6.5–7.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateRainbow shiner
Notropis chrosomus
- South America
Ram cichlid
Mikrogeophagus ramirezi
Temp27–30°CpH4–7Size4.2 cmDietOmnivoreSwimMiddleDifficultyModerateRam cichlid
Mikrogeophagus ramirezi
- Asia
Red Cherry Rasbora
Rasbora lacrimula
Temp22–26°CpH4–7.5Size3.1 cmDietInsectivoreSwimMiddleDifficultyEasyRed Cherry Rasbora
Rasbora lacrimula
- Asia
Red Neon Goby
Stiphodon atropurpureus
Temp22–26°CpH6.5–7.5Size5 cmDietHerbivoreSwimMiddleDifficultyModerateRed Neon Goby
Stiphodon atropurpureus
- South America
Red phantom tetra
Hyphessobrycon sweglesi
Temp20–28°CpH4.5–7.5Size3.2 cmDietOmnivoreSwimMiddleDifficultyModerateRed phantom tetra
Hyphessobrycon sweglesi
- Indonesia (Lake Sentani, Papua)
Red rainbowfish
Glossolepis incisus
Temp22.2–25°CpH7–8Size15 cmDietOmnivoreSwimMiddleDifficultyModerateRed rainbowfish
Glossolepis incisus
- South America
Redstriped eartheater
Geophagus surinamensis
Temp24–28°CpH6–7.5Size17.2 cmDietOmnivoreSwimBottomDifficultyModerateRedstriped eartheater
Geophagus surinamensis
- Asia
Reticulated hillstream loach
Sewellia lineolata
Temp18–24°CpH6.5–7.5Size5.7 cmDietOmnivoreSwimBottomDifficultyModerateReticulated hillstream loach
Sewellia lineolata
- Asia
Reticulated Sae
Crossocheilus reticulatus
Temp16–24°CpH6–7.5Size17 cmDietHerbivoreSwimMiddleDifficultyModerateReticulated Sae
Crossocheilus reticulatus
- Asia
Rhinogobius
Rhinogobius zhoui
Temp15–24°CpH7–8Size3.6 cmDietOmnivoreSwimMiddleDifficultyModerateRhinogobius
Rhinogobius zhoui
- Taiwan (selectively bred)
Rili Shrimp
Neocaridina davidi var. rili
Temp18–28°CpH6.5–8Size3 cmDietOmnivoreSwimMiddleDifficultyEasyRili Shrimp
Neocaridina davidi var. rili
- East Asia (China, Japan, Korea)
Rose bitterling
Rhodeus ocellatus
Temp5–25°CpH7–8.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateRose bitterling
Rhodeus ocellatus
- Asia
Rosy barb
Pethia conchonius
Temp16–24°CpH6–8Size7.5 cmDietOmnivoreSwimMiddleDifficultyEasyRosy barb
Pethia conchonius
- South America
Rosy tetra
Hyphessobrycon rosaceus
Temp23.9–27.8°CpH5.5–7.5Size4 cmDietOmnivoreSwimMiddleDifficultyModerateRosy 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 cmDietOmnivoreSwimMiddleDifficultyModerateRuby barb
Pethia padamya
- South America
Rummy-nose tetra
Hemigrammus rhodostomus
Temp24–27°CpH5.5–7Size5 cmDietOmnivoreSwimMiddleDifficultyEasyRummy-nose tetra
Hemigrammus rhodostomus
- North America
Sailfin molly
Poecilia latipinna
Temp24–28°CpH7.5–8.5Size15 cmDietOmnivoreSwimMiddleDifficultyExpertSailfin molly
Poecilia latipinna
- Myanmar (Lake Inlé)
Sawbwa barb
Sawbwa resplendens
Temp18–22°CpH6–8Size3 cmDietOmnivoreSwimMiddleDifficultyModerateSawbwa barb
Sawbwa resplendens
- Asia
Scarlet badis
Dario dario
Temp18–26°CpH6.5–8.5Size2 cmDietCarnivoreSwimMiddleDifficultyModerateScarlet badis
Dario dario
- South America
Schwartz's catfish
Corydoras schwartzi
Temp22–24°CpH6–7.5Size7 cmDietOmnivoreSwimBottomDifficultyModerateSchwartz's catfish
Corydoras schwartzi
- Asia
Siamese algae-eater
Gyrinocheilus aymonieri
Temp22–28°CpH6–8Size28 cmDietHerbivoreSwimMiddleDifficultyModerateSiamese algae-eater
Gyrinocheilus aymonieri
- Asia
Siamese flying fox
Crossocheilus oblongus
Temp23–27°CpH6–7.5Size16 cmDietOmnivoreSwimMiddleDifficultyModerateSiamese flying fox
Crossocheilus oblongus
- South America
Silvertip tetra
Hasemania nana
Temp22–28°CpH6–8Size3.8 cmDiet—SwimMiddleDifficultyModerateSilvertip tetra
Hasemania nana
- Asia
Slender Bitterling
Tanakia himantegus
Temp15–28°CpH6.5–7.8Size8 cmDietOmnivoreSwimMiddleDifficultyModerateSlender Bitterling
Tanakia himantegus
- Central America
Southern platyfish
Xiphophorus maculatus
Temp20–26°CpH7–8.2Size6 cmDietOmnivoreSwimMiddleDifficultyEasySouthern platyfish
Xiphophorus maculatus
- South America
Splash tetra
Copella arnoldi
Temp20–28°CpH4–7.5Size5.5 cmDietOmnivoreSwimMiddleDifficultyModerateSplash tetra
Copella arnoldi
- Asia
Spotted blue-eye
Pseudomugil gertrudae
Temp23–28°CpH6–6Size3.8 cmDietPlanktivoreSwimMiddleDifficultyModerateSpotted blue-eye
Pseudomugil gertrudae
- South America
Sterba's cory
Corydoras sterbai
Temp24–28°CpH6–7.6Size6.5 cmDietOmnivoreSwimBottomDifficultyEasySterba's cory
Corydoras sterbai
- Asia
Strawberry Rasbora
Boraras naevus
Temp24–28°CpH5–6.5Size1.3 cmDietOmnivoreSwimMiddleDifficultyEasyStrawberry Rasbora
Boraras naevus
- Asia
Striped panchax
Aplocheilus lineatus
Temp22–28°CpH6–7.5Size10 cmDietCarnivoreSwimTopDifficultyModerateStriped panchax
Aplocheilus lineatus
- Asia
Surrufus Stiphodon
Stiphodon surrufus
Temp—pH—Size2.1 cmDietOmnivoreSwimBottomDifficultyHardSurrufus Stiphodon
Stiphodon surrufus
- Oceania
Threadfin rainbowfish
Iriatherina werneri
Temp22–30°CpH5–8Size4 cmDietOmnivoreSwimMiddleDifficultyModerateThreadfin rainbowfish
Iriatherina werneri
- Asia
Three-lined rasbora
Rasbora trilineata
Temp22–25°CpH6–8Size13 cmDietOmnivoreSwimMiddleDifficultyModerateThree-lined rasbora
Rasbora trilineata
- South America
Threespot eartheater
Satanoperca daemon
Temp24–28°CpH3.5–6Size25 cmDietOmnivoreSwimBottomDifficultyModerateThreespot eartheater
Satanoperca daemon
- Southeast Asia
Tinfoil barb
Barbonymus schwanenfeldii
Temp22–28°CpH6.5–7Size35 cmDietOmnivoreSwimMiddleDifficultyModerateTinfoil barb
Barbonymus schwanenfeldii
- South America
Twosaddle corydoras
Corydoras weitzmani
Temp22–26°CpH6–7.2Size6 cmDietOmnivoreSwimBottomDifficultyModerateTwosaddle corydoras
Corydoras weitzmani
- South America
Umbrella cichlid
Apistogramma borellii
Temp20–26°CpH6–8Size3.9 cmDietCarnivoreSwimBottomDifficultyModerateUmbrella cichlid
Apistogramma borellii
- West Africa (Gabon, Cameroon, Nigeria)
Vampire Shrimp
Atya gabonensis
Temp24–28°CpH6.5–7.5Size15 cmDietOmnivoreSwimBottomDifficultyModerateVampire Shrimp
Atya gabonensis
- 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 cmDietOmnivoreSwimMiddleDifficultyEasyWhite cloud mountain minnow
Tanichthys albonubes
- Taiwan (selectively bred)
Yellow Shrimp
Neocaridina davidi var. yellow
Temp18–28°CpH6.5–8Size3 cmDietOmnivoreSwimMiddleDifficultyEasyYellow Shrimp
Neocaridina davidi var. yellow
- Asia
Zebra danio
Danio rerio
Temp—pH6–8Size3.8 cmDietOmnivoreSwimAll levelsDifficultyEasyZebra danio
Danio rerio
- Asia
Zebra loach
Botia striata
Temp21–26°CpH6–7.5Size9 cmDietCarnivoreSwimBottomDifficultyModerateZebra loach
Botia striata
- East Africa (Kenya, Tanzania, Mozambique)
Zebra Nerite
Vittina natalensis
Temp22–28°CpH7–8.5Size3 cmDietHerbivoreSwimBottomDifficultyModerateZebra Nerite
Vittina natalensis
- South America
Zebra Oto
Otocinclus cocama
Temp21–25°CpH6–7.5Size4.5 cmDietHerbivoreSwimBottomDifficultyModerateZebra Oto
Otocinclus cocama
