South America
Adolf's catfish
Corydoras adolfoi
Temp22–26°C
pH6–7
Size5.7 cm
DietOmnivore
SwimBottom
DifficultyModerate
Adolf's catfish
Corydoras adolfoi
fish
Moderate-care aquarium fish
Species tagged with moderate difficulty — a step up from beginner species; research water chemistry and compatibility.
178 species
- South America
Agassiz's dwarf cichlid
Apistogramma agassizii
Temp22–29°CpH5–7Size4.4 cmDietCarnivoreSwimBottomDifficultyModerateAgassiz's dwarf cichlid
Apistogramma agassizii
- Asia
Almorha loach
Botia almorhae
Temp19–27.5°CpH6.5–7.5Size15.5 cmDietOmnivoreSwimBottomDifficultyModerateAlmorha loach
Botia almorhae
- Southeast Asia
Asian bumblebee catfish
Pseudomystus siamensis
Temp22–26°CpH6–7.5Size18 cmDietCarnivoreSwimBottomDifficultyModerateAsian bumblebee catfish
Pseudomystus siamensis
- Asia
Asian Stone Catfish
Hara jerdoni
Temp18–24°CpH6–7.5Size4 cmDietOmnivoreSwimBottomDifficultyModerateAsian Stone Catfish
Hara jerdoni
- 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
- 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
- Central America
Biajaca
Nandopsis tetracanthus
Temp24–30°CpH7–8Size20 cmDietOmnivoreSwimMiddleDifficultyModerateBiajaca
Nandopsis tetracanthus
- South America
Black ghost
Apteronotus albifrons
Temp23–28°CpH6–8Size50 cmDietCarnivoreSwimBottomDifficultyModerateBlack ghost
Apteronotus albifrons
- South America
Black phantom tetra
Hyphessobrycon megalopterus
Temp22–26°CpH6–7.5Size3.6 cmDietOmnivoreSwimMiddleDifficultyModerateBlack phantom tetra
Hyphessobrycon megalopterus
- 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
- South America
Blue acara
Andinoacara pulcher var.
Temp22–28°CpH6.5–8Size16 cmDietOmnivoreSwimMiddleDifficultyModerateBlue acara
Andinoacara pulcher var.
- Asia
Blue Belly Goby
Stiphodon percnopterygionus
Temp22–26°CpH6.5–7.5Size5 cmDietHerbivoreSwimBottomDifficultyModerateBlue Belly Goby
Stiphodon percnopterygionus
- 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
- Africa
Blue streak hap
Labidochromis caeruleus
Temp24–28°CpH7.7–8.6Size10 cmDietOmnivoreSwimMiddleDifficultyModerateBlue streak hap
Labidochromis caeruleus
- 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
Bluefinned snakehead
Channa bleheri
Temp18–25°CpH6–7.5Size14.4 cmDietCarnivoreSwimMiddleDifficultyModerateBluefinned snakehead
Channa bleheri
- Africa
Bluegray mbuna
Melanochromis johannii
Temp24–28°CpH7.5–8.6Size10 cmDietHerbivoreSwimBottomDifficultyModerateBluegray mbuna
Melanochromis johannii
- 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
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
- Asia
Celebes rainbowfish
Marosatherina ladigesi
Temp22.2–27.8°CpH7–8Size8 cmDietOmnivoreSwimAll levelsDifficultyModerateCelebes rainbowfish
Marosatherina ladigesi
- 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
- South America
Chessboard cichlid
Dicrossus filamentosus
Temp27–30°CpH4.5–7Size10 cmDietOmnivoreSwimBottomDifficultyModerateChessboard cichlid
Dicrossus filamentosus
- 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
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
- South America
Demon eartheater
Satanoperca jurupari
Temp26–30°CpH6.3–7Size26 cmDietOmnivoreSwimBottomDifficultyModerateDemon eartheater
Satanoperca jurupari
- 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
- South Asia (Pakistan, India, Bangladesh)
Dwarf gourami
Trichogaster lalius
Temp22–27°CpH6–7.5Size8.8 cmDietOmnivoreSwimMiddleDifficultyModerateDwarf gourami
Trichogaster lalius
- 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
- Asia
Eyespot pufferfish
Tetraodon biocellatus
Temp22.2–26.1°CpH6.5–7.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateEyespot pufferfish
Tetraodon biocellatus
- South America
Farlowella Catfish
Farlowella vittata
Temp24–28°CpH6–7Size22.5 cmDietHerbivoreSwimBottomDifficultyModerateFarlowella Catfish
Farlowella vittata
- Africa
Fasciatus Shell Dweller
Altolamprologus fasciatus
Temp24–27°CpH8–9Size15 cmDietCarnivoreSwimMiddleDifficultyModerateFasciatus Shell Dweller
Altolamprologus fasciatus
- Asia
Finescale tigerfish
Datnioides microlepis
Temp20–28°CpH5.5–7.5Size50 cmDietCarnivoreSwimMiddleDifficultyModerateFinescale tigerfish
Datnioides microlepis
- Asia
Fire eel
Mastacembelus erythrotaenia
Temp24–28°CpH6–8Size100 cmDietCarnivoreSwimBottomDifficultyModerateFire eel
Mastacembelus erythrotaenia
- Central America
Firemouth cichlid
Thorichthys meeki
Temp20–32°CpH6.5–8.5Size12 cmDietOmnivoreSwimBottomDifficultyModerateFiremouth cichlid
Thorichthys meeki
- Asia
Flying fox
Epalzeorhynchos kalopterum
Temp20–26°CpH6–7.5Size16 cmDietOmnivoreSwimBottomDifficultyModerateFlying fox
Epalzeorhynchos kalopterum
- Oceania
Forktail rainbowfish
Pseudomugil furcatus
Temp—pH6–8Size5 cmDietOmnivoreSwimMiddleDifficultyModerateForktail rainbowfish
Pseudomugil furcatus
- South America
Freshwater angelfish
Pterophyllum scalare
Temp24–30°CpH6–7.5Size15 cmDietOmnivoreSwimMiddleDifficultyModerateFreshwater angelfish
Pterophyllum scalare
- Africa
Freshwater butterflyfish
Pantodon buchholzi
Temp25–30°CpH6–7.5Size11.9 cmDietInsectivoreSwimTopDifficultyModerateFreshwater butterflyfish
Pantodon buchholzi
- Asia
Giant danio
Devario aequipinnatus
Temp22–27°CpH6–8Size15 cmDietOmnivoreSwimAll levelsDifficultyModerateGiant danio
Devario aequipinnatus
- South America
Giant Whiptail
Sturisoma aureum
Temp24–28°CpH6–8Size20 cmDietOmnivoreSwimBottomDifficultyModerateGiant Whiptail
Sturisoma aureum
- 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
- Africa
Gold Cap Caudopunctatus
Neolamprologus caudopunctatus
Temp24–27°CpH7.5–8.5Size6.5 cmDietPlanktivoreSwimMiddleDifficultyModerateGold Cap Caudopunctatus
Neolamprologus caudopunctatus
- South America
Gold Nugget Pleco
Baryancistrus xanthellus
Temp25–30°CpH6–7.5Size29.7 cmDietOmnivoreSwimBottomDifficultyModerateGold Nugget Pleco
Baryancistrus xanthellus
- Asia
Gold Ring Danio
Brachydanio tinwini
Temp18–26°CpH6.5–7.5Size3 cmDietOmnivoreSwimTopDifficultyModerateGold Ring Danio
Brachydanio tinwini
- South America
Gold severum
Heros efasciatus var.
Temp22–29°CpH5–6.5Size20 cmDietOmnivoreSwimMiddleDifficultyModerateGold severum
Heros efasciatus var.
- Africa
Gold Shell Dweller
Lamprologus ocellatus
Temp23–27°CpH7.5–9Size5.8 cmDietOmnivoreSwimMiddleDifficultyModerateGold Shell Dweller
Lamprologus ocellatus
- Africa
Gray bichir
Polypterus senegalus
Temp—pH6–8Size70 cmDietCarnivoreSwimBottomDifficultyModerateGray bichir
Polypterus senegalus
- South America
Green terror
Andinoacara rivulatus
Temp20–24°CpH6.5–8Size30 cmDietOmnivoreSwimMiddleDifficultyModerateGreen terror
Andinoacara rivulatus
- South America
Greenstreaked eartheater
Biotodoma cupido
Temp23–28°CpH5–7Size11.7 cmDietCarnivoreSwimMiddleDifficultyModerateGreenstreaked eartheater
Biotodoma cupido
- South America
Guayas cichlid
Cichlasoma festae
Temp25–29°CpH7–8Size25 cmDietOmnivoreSwimMiddleDifficultyModerateGuayas cichlid
Cichlasoma festae
- South America
Guitarrita
Bunocephalus coracoideus
Temp20–27°CpH5.8–7.8Size15 cmDietOmnivoreSwimBottomDifficultyModerateGuitarrita
Bunocephalus coracoideus
- Central America
Haitian cichlid
Nandopsis haitiensis
Temp24–30°CpH7–8Size21.5 cmDietOmnivoreSwimMiddleDifficultyModerateHaitian cichlid
Nandopsis haitiensis
- 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
- Asia
Horsehead
Opsariichthys bidens
Temp5–24°CpH6.5–8Size26.1 cmDietOmnivoreSwimMiddleDifficultyModerateHorsehead
Opsariichthys bidens
- Africa
Hump-head
Cyrtocara moorii
Temp24–28°CpH7.2–8.8Size20 cmDietOmnivoreSwimMiddleDifficultyModerateHump-head
Cyrtocara moorii
- Africa
Humphead cichlid
Cyphotilapia frontosa
Temp24–26°CpH8–9Size33 cmDietOmnivoreSwimMiddleDifficultyModerateHumphead cichlid
Cyphotilapia frontosa
- Central America
Jack Dempsey
Rocio octofasciata
Temp20–30°CpH7–8Size25 cmDietOmnivoreSwimMiddleDifficultyModerateJack Dempsey
Rocio octofasciata
- 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
- Africa
Jewelfish
Hemichromis bimaculatus
Temp22–28°CpH6.5–7.5Size13.6 cmDietOmnivoreSwimMiddleDifficultyModerateJewelfish
Hemichromis bimaculatus
- Southeast Asia
Kissing gourami
Helostoma temminckii
Temp22–30°CpH6–8Size30 cmDietOmnivoreSwimMiddleDifficultyModerateKissing gourami
Helostoma temminckii
- Africa
Leleupi Cichlid
Neolamprologus leleupi
Temp23–27°CpH7.5–9Size10 cmDietCarnivoreSwimMiddleDifficultyModerateLeleupi Cichlid
Neolamprologus leleupi
- South America
Lemon tetra
Hyphessobrycon pulchripinnis
Temp20–28°CpH5–7.5Size3.8 cmDietOmnivoreSwimMiddleDifficultyModerateLemon tetra
Hyphessobrycon pulchripinnis
- South America
Leopard Frog Pleco
Peckoltia compta
Temp24–29°CpH6–7.5Size6.2 cmDietOmnivoreSwimBottomDifficultyModerateLeopard Frog Pleco
Peckoltia compta
- Africa
Livingstonii Cichlid
Nimbochromis livingstonii
Temp24–28°CpH7.6–8.8Size25 cmDietCarnivoreSwimMiddleDifficultyModerateLivingstonii Cichlid
Nimbochromis livingstonii
- 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
- Africa
Malawi eyebiter
Dimidiochromis compressiceps
Temp24–28°CpH8–8Size23 cmDietCarnivoreSwimMiddleDifficultyModerateMalawi eyebiter
Dimidiochromis compressiceps
- 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
- South America
Mendezs Dwarf Cichlid
Apistogramma mendezi
Temp23–29°CpH4–6Size6 cmDietCarnivoreSwimBottomDifficultyModerateMendezs Dwarf Cichlid
Apistogramma mendezi
- Central America
Moga
Hypsophrys nicaraguensis
Temp23–28°CpH7–8Size25 cmDietOmnivoreSwimMiddleDifficultyModerateMoga
Hypsophrys nicaraguensis
- Central America
Molly
Poecilia sphenops
Temp24–28°CpH7.5–8.2Size7.5 cmDietOmnivoreSwimAll levelsDifficultyModerateMolly
Poecilia sphenops
- Lake Tanganyika
Multies
Neolamprologus multifasciatus
Temp24–27°CpH7.5–9Size4.5 cmDietOmnivoreSwimMiddleDifficultyModerateMulties
Neolamprologus multifasciatus
- South America
Nannoptopoma
Nannoptopoma sternoptychum
Temp—pH—Size3.3 cmDietOmnivoreSwimBottomDifficultyModerateNannoptopoma
Nannoptopoma sternoptychum
- Southeast Asia (Indonesia, Philippines)
Onion Snail
Vittina olivacea
Temp22–28°CpH7–8.5Size3 cmDietHerbivoreSwimMiddleDifficultyModerateOnion Snail
Vittina olivacea
- South America
Ornate tetra
Hyphessobrycon bentosi
Temp20–28°CpH5–7.5Size4.3 cmDietOmnivoreSwimMiddleDifficultyModerateOrnate tetra
Hyphessobrycon bentosi
- South America
Oscar
Astronotus ocellatus
Temp20–28°CpH6–7.5Size35 cmDietOmnivoreSwimMiddleDifficultyModerateOscar
Astronotus ocellatus
- 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
Panda Uaru
Uaru fernandezyepezi
Temp27–30°CpH5–6.5Size19 cmDietOmnivoreSwimMiddleDifficultyModeratePanda Uaru
Uaru fernandezyepezi
- 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
- South America
Pictus cat
Pimelodus pictus
Temp22–26°CpH6–8Size11 cmDietOmnivoreSwimBottomDifficultyModeratePictus cat
Pimelodus pictus
- Asia
Pond loach
Misgurnus anguillicaudatus
Temp18–23°CpH6.5–8Size28 cmDietOmnivoreSwimBottomDifficultyModeratePond loach
Misgurnus anguillicaudatus
- Lake Tanganyika
Princess of Burundi
Neolamprologus brichardi
Temp23–27°CpH8–9Size9 cmDietOmnivoreSwimMiddleDifficultyModeratePrincess of Burundi
Neolamprologus brichardi
- Asia
Pygmy gourami
Trichopsis pumila
Temp22–28°CpH5–7.5Size4 cmDietOmnivoreSwimMiddleDifficultyModeratePygmy gourami
Trichopsis pumila
- Africa
Rainbow krib
Pelvicachromis pulcher
Temp24–27°CpH5–7.5Size10 cmDietOmnivoreSwimMiddleDifficultyModerateRainbow krib
Pelvicachromis pulcher
- 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
- South America
Ram cichlid
Mikrogeophagus ramirezi var.
Temp26–30°CpH5–6Size4.2 cmDietOmnivoreSwimMiddleDifficultyModerateRam cichlid
Mikrogeophagus ramirezi var.
- 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
- Amazon basin, South America
Red Spotted Severum
Heros efasciatus var.
Temp24–29°CpH6–7.5Size20 cmDietOmnivoreSwimMiddleDifficultyModerateRed Spotted Severum
Heros efasciatus var.
- South America
Redhump eartheater
Geophagus steindachneri
Temp20–30°CpH6–7.5Size15 cmDietOmnivoreSwimMiddleDifficultyModerateRedhump eartheater
Geophagus steindachneri
- 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
- North America
Rio Grande cichlid
Herichthys cyanoguttatus
Temp—pH6.5–7.5Size30 cmDietOmnivoreSwimMiddleDifficultyModerateRio Grande cichlid
Herichthys cyanoguttatus
- East Asia (China, Japan, Korea)
Rose bitterling
Rhodeus ocellatus
Temp5–25°CpH7–8.5Size8 cmDietOmnivoreSwimMiddleDifficultyModerateRose bitterling
Rhodeus ocellatus
- South America
Rosy tetra
Hyphessobrycon rosaceus
Temp23.9–27.8°CpH5.5–7.5Size4 cmDietOmnivoreSwimMiddleDifficultyModerateRosy tetra
Hyphessobrycon rosaceus
- Colombia and Venezuela (Lake Maracaibo basin)
Royal Farlowella
Sturisomatichthys festivus
Temp24–28°CpH6–7.5Size16.9 cmDietHerbivoreSwimBottomDifficultyModerateRoyal Farlowella
Sturisomatichthys festivus
- 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
- 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 fighting fish
Betta splendens
Temp22–30°CpH6–8Size6.5 cmDietOmnivoreSwimMiddleDifficultyModerateSiamese 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
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
- Asia
Snakehead Betta
Betta channoides
Temp23–30°CpH4–6.5Size4 cmDietCarnivoreSwimMiddleDifficultyModerateSnakehead Betta
Betta channoides
- 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
- Asia
Striped panchax
Aplocheilus lineatus
Temp22–28°CpH6–7.5Size10 cmDietCarnivoreSwimTopDifficultyModerateStriped panchax
Aplocheilus lineatus
- South America
Sunshine Pleco
Scobinancistrus aureatus
Temp25–29°CpH5.5–7Size29 cmDietOmnivoreSwimBottomDifficultyModerateSunshine Pleco
Scobinancistrus aureatus
- Africa
Tanganyika blackfin
Altolamprologus calvus
Temp24–27°CpH8–9Size13.5 cmDietOmnivoreSwimMiddleDifficultyModerateTanganyika blackfin
Altolamprologus calvus
- Africa
Temporaris Shell Dweller
Telmatochromis temporalis
Temp24–27°CpH8–9Size4.4 cmDietOmnivoreSwimMiddleDifficultyModerateTemporaris Shell Dweller
Telmatochromis temporalis
- Oceania
Threadfin rainbowfish
Iriatherina werneri
Temp22–30°CpH5–8Size4 cmDietOmnivoreSwimMiddleDifficultyModerateThreadfin rainbowfish
Iriatherina werneri
- Asia
Three spot gourami
Trichogaster trichopterus
Temp24–30°CpH5.5–8.5Size15 cmDietOmnivoreSwimMiddleDifficultyModerateThree 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
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
- South America
Vampire Pleco
Leporacanthicus galaxias
Temp22–26°CpH5.6–7Size25 cmDietOmnivoreSwimBottomDifficultyModerateVampire Pleco
Leporacanthicus galaxias
- West Africa (Gabon, Cameroon, Nigeria)
Vampire Shrimp
Atya gabonensis
Temp24–28°CpH6.5–7.5Size15 cmDietOmnivoreSwimBottomDifficultyModerateVampire Shrimp
Atya gabonensis
- Africa
Venustus Cichlid
Nimbochromis venustus
Temp24–28°CpH7.6–8.8Size25 cmDietCarnivoreSwimMiddleDifficultyModerateVenustus Cichlid
Nimbochromis venustus
- Asia
Walking snakehead
Channa orientalis
Temp16–24°CpH5–7.5Size10 cmDietCarnivoreSwimBottomDifficultyModerateWalking snakehead
Channa orientalis
- South America
Whiptail catfish
Farlowella acus
Temp24–28°CpH6–7Size16 cmDietHerbivoreSwimBottomDifficultyModerateWhiptail catfish
Farlowella acus
- South America
Whiptail Catfish
Loricaria simillima
Temp22–28°CpH6–7.5Size26.4 cmDietOmnivoreSwimBottomDifficultyModerateWhiptail Catfish
Loricaria simillima
- Asia
White Seam Betta
Betta albimarginata
Temp23–28°CpH4–6.5Size2.8 cmDietInsectivoreSwimMiddleDifficultyModerateWhite Seam Betta
Betta albimarginata
- Central America
Yellow belly cichlid
Cichlasoma salvini
Temp22–28°CpH7–8Size22 cmDietOmnivoreSwimMiddleDifficultyModerateYellow belly cichlid
Cichlasoma salvini
- Asia
Zebra Archerfish
Toxotes blythii
Temp25–30°CpH7–8Size15 cmDietCarnivoreSwimTopDifficultyModerateZebra Archerfish
Toxotes blythii
- 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
- South America
Zebra pleco
Hypancistrus zebra
Temp26–30°CpH6–7.5Size8 cmDietCarnivoreSwimBottomDifficultyModerateZebra pleco
Hypancistrus zebra
- South and Southeast Asia (India, Thailand, Indonesia)
Zig-zag eel
Mastacembelus armatus
Temp24–28°CpH6–7Size90 cmDietCarnivoreSwimMiddleDifficultyModerateZig-zag eel
Mastacembelus armatus