Freshwater
Easy
©AI Generated·ProprietaryAdolfo's cory
Corydoras adolfoi
Water temp22 - 26 °CpH Value5.5 - 7 pHGH1 - 10 dGHKH1 - 5 dKHMinimum tank volume>= 60 LTank levelBottomAdult size6 cm
Encyclopaedia
Freshwater fish
Freshwater species for community aquariums, river biotopes, and planted tanks.
Copy the link or share this page so you can easily find it again.
Explore by category
Visual guideFilter337 cards / 16641
Family
Origin
Tank level
Sociality
Adult size
Freshwater
Expert
©AI Generated·ProprietaryAfra Cichlid (Dogtooth Cichlid)
Cynotilapia afra
Water temp24 - 28 °CpH Value7.8 - 8.6 pHGH10 - 20 dGHKH5 - 10 dKHMinimum tank volume>= 200 LTank levelMiddle/BottomAdult size10 cm
Freshwater
Intermediate
©AI Generated·ProprietaryAgassiz's Dwarf Cichlid
Apistogramma agassizii
Water temp22 - 29 °CpH Value5 - 7 pHGH1 - 10 dGHKH1 - 5 dKHMinimum tank volume>= 60 LTank levelMiddle/BottomAdult size7.5 cm
Freshwater
Easy
©AI Generation·ProprietaryAgulha Tetra
Hyphessobrycon agulha
Water temp22 - 27 °CpH Value5.5 - 7 pHGH1 - 10 dGHKH1 - 6 dKHMinimum tank volume>= 80 LTank levelMiddle/BottomAdult size4.5 cm
Freshwater
Intermediate
©AI Generated·ProprietaryAllen's rainbowfish
Chilatherina alleni
Water temp24 - 28 °CpH Value7 - 8 pHGH8 - 15 dGHKH4 - 7 dKHMinimum tank volume>= 200 LTank levelMiddleAdult size10 cm
Freshwater
Expert
©AI Generated·ProprietaryAltum Angelfish
Pterophyllum altum
Water temp27 - 30 °CpH Value4.5 - 6.5 pHGH1 - 5 dGHKH0 - 2 dKHMinimum tank volume>= 400 LTank levelMiddleAdult size18 cm
Freshwater
Easy
©AI Generated·ProprietaryAmapá tetra
Hyphessobrycon amapaensis
Water temp21 - 30 °CpH Value5 - 8 pHGH0 - 14 dGHKH1 - 7 dKHMinimum tank volume>= 60 LTank levelMiddleAdult size3 cm
Freshwater
Easy
©AI Generation·ProprietaryAmazon Cichlasoma (Cichlasoma amazonarum)
Cichlasoma amazonarum
Water temp24 - 28 °CpH Value6 - 7.5 pHGH4 - 12 dGHKH2 - 6 dKHMinimum tank volume>= 180 LTank levelMiddle/BottomAdult size15 cm
Freshwater
Expert
©AI Generated·ProprietaryAmazon Puffer
Colomesus asellus
Water temp22 - 28 °CpH Value5.5 - 7.5 pHGH2 - 12 dGHKH1 - 6 dKHMinimum tank volume>= 150 LTank levelMiddle/BottomAdult size8 cm
Freshwater
Intermediate
©AI Generated·ProprietaryAmazon red-tail tetra
Aphyocharax dentatus
Water temp22 - 28 °CpH Value6 - 7.5 pHGH5 - 15 dGHKH2 - 7 dKHMinimum tank volume>= 110 LTank levelTop/MiddleAdult size7 cm
Freshwater
Easy
©AI Generated·ProprietaryAmerican flagfish
Jordanella floridae
Water temp18 - 28 °CpH Value7 - 8 pHGH10 - 20 dGHKH5 - 10 dKHMinimum tank volume>= 60 LTank levelMiddle/BottomAdult size6 cm
Freshwater
Intermediate
©AI Generated·ProprietaryAmiet's lyretail
Fundulopanchax amieti
Water temp22 - 25 °CpH Value6 - 7.2 pHGH4 - 10 dGHKH2 - 5 dKHMinimum tank volume>= 40 LTank levelAll levelsAdult size7 cm
Freshwater
Intermediate
©AI Generated·ProprietaryAngelicus Loach (Burmese Border Loach)
Botia kubotai
Water temp24 - 28 °CpH Value6.5 - 7.5 pHGH4 - 12 dGHKH2 - 6 dKHMinimum tank volume>= 200 LTank levelMiddle/BottomAdult size15 cm
Freshwater
Advanced
©AI Generated·ProprietaryApistogramma paucisquamis
Apistogramma paucisquamis
Water temp24 - 30 °CpH Value4 - 5.5 pHGH0 - 3 dGHKH1 - 2 dKHMinimum tank volume>= 60 LTank levelMiddle/BottomAdult size6 cm
Freshwater
Expert
©AI Generated·ProprietaryArapaima (Pirarucu)
Arapaima gigas
Water temp25 - 29 °CpH Value6 - 7.5 pHGH4 - 15 dGHKH2 - 7 dKHMinimum tank volume>= 500 LTank levelTop/MiddleAdult size300 cm
Freshwater
Easy
©AI Generation·ProprietaryBader's Corydoras
Corydoras baderi
Water temp22 - 26 °CpH Value6 - 7.2 pHGH2 - 12 dGHKH2 - 10 dKHMinimum tank volume>= 80 LTank levelBottomAdult size5 cm
Freshwater
Expert
©AI Generated·ProprietaryBala Shark / Silver Shark
Balantiocheilos melanopterus
Water temp22 - 28 °CpH Value6 - 8 pHGH5 - 15 dGHKH2 - 7 dKHMinimum tank volume>= 300 LTank levelTop/MiddleAdult size35 cm
Freshwater
Easy
©AI Generation·ProprietaryBanded Corydoras
Corydoras vittatus
Water temp22 - 26 °CpH Value6 - 7.2 pHGH2 - 12 dGHKH2 - 10 dKHMinimum tank volume>= 100 LTank levelBottomAdult size5.5 cm
Freshwater
Intermediate
©AI Generated·ProprietaryBarred hemiodus
Hemiodus quadrimaculatus
Water temp23 - 27 °CpH Value6 - 7.5 pHGH2 - 12 dGHKH1 - 6 dKHMinimum tank volume>= 280 LTank levelMiddleAdult size14 cm
Freshwater
Easy
©AI Generation·ProprietaryBass Tetra
Hemigrammus marginatus
Water temp22 - 28 °CpH Value6 - 7.5 pHGH2 - 12 dGHKH2 - 10 dKHMinimum tank volume>= 100 LTank levelMiddleAdult size5 cm
Freshwater
Easy
©AI Generated·ProprietaryBelica
Leucaspius delineatus
Water temp10 - 20 °CpH Value6.5 - 8 pHGH10 - 20 dGHKH5 - 10 dKHMinimum tank volume100 LTank levelTop/MiddleAdult size9 cm
Freshwater
Easy
©AI Generated·ProprietaryBlack Guppy
Poecilia reticulata var. Black
Water temp22 - 28 °CpH Value6.8 - 8.5 pHGH8 - 28 dGHKH4 - 14 dKHMinimum tank volume>= 40 LTank levelMiddleAdult size5 cm
Freshwater
Easy
©AI Generation·ProprietaryBlack Kuhli Loach / Java Loach
Pangio oblonga
Water temp24 - 28 °CpH Value5.5 - 7 pHGH1 - 12 dGHKH1 - 6 dKHMinimum tank volume>= 100 LTank levelBottomAdult size8 cm
FreshwaterBrackish
Easy
©AI Generated·ProprietaryBlack Molly
Poecilia sphenops
Water temp22 - 28 °CpH Value7 - 8.5 pHGH10 - 30 dGHKH8 - 20 dKHMinimum tank volume>= 80 LTank levelAll levelsAdult size8 cm
Showing 24 of 337
Practice with the Atlas
Turn this list into a challenge.
After browsing the species, try recognizing them from photos, names, and traits: leaderboards stay separate from the catalog.