Freshwater
Easy
©AI Generation·ProprietaryAtipa, Brown Hoplo
Hoplosternum littorale
Water temp20 - 28 °CpH Value5.5 - 7.5 pHGH2 - 20 dGHKH2 - 15 dKHMinimum tank volume>= 200 LTank levelBottomAdult size20 cm
Encyclopaedia
Fish atlas
Curated cards for behavior, feeding, and compatibility.
Copy the link or share this page so you can easily find it again.
Explore by category
Visual guideAmazon, Orinoco, and Guianas389Extra-Amazon South America206Central America and Caribbean153North America278Africa and Madagascar460Europe, Mediterranean, and West Asia81South and Southeast Asia495East Asia476Australia, New Guinea, and Oceania300Tropical oceans and reefs1,000Cosmopolitan or introduced77Selective breeding and cultivars108
Filter153 cards / 16641
Family
Water type
Origin
Tank level
Sociality
Adult size
Marine
Advanced
©AI Generated·ProprietaryBanded Butterflyfish
Chaetodon striatus
Water temp22 - 28 °CpH Value8.1 - 8.4 pHGH15 - 25 dGHKH8 - 12 dKHMinimum tank volume>= 300 LTank levelMiddle/BottomAdult size15 cm
Marine
Easy
©AI Generated·ProprietaryBanggai cardinalfish
Pterapogon kauderni
Water temp24 - 28 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 100 LTank levelMiddle/BottomAdult size9 cm
Marine
Easy
©AI Generated·ProprietaryBarsnout goby
Elacatinus illecebrosus
Water temp23 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 40 LTank levelBottomAdult size4 cm
Marine
Expert
©AI Generated·ProprietaryBigbelly Seahorse
Hippocampus abdominalis
Water temp14 - 18 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 250 LTank levelMiddle/BottomAdult size35 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
FreshwaterBrackish
Intermediate
©AI Generated·ProprietaryBlack Molly
Poecilia sphenops var. Black
Water temp22 - 28 °CpH Value7.5 - 8.5 pHGH15 - 30 dGHKH7 - 15 dKHMinimum tank volume>= 80 LTank levelTop/MiddleAdult size7 cm
Freshwater
Intermediate
©AI Generated·ProprietaryBlack Venezuela Corydoras
Corydoras venezuelanus var. Black
Water temp22 - 26 °CpH Value6 - 7.2 pHGH2 - 15 dGHKH1 - 7 dKHMinimum tank volume>= 80 LTank levelBottomAdult size5 cm
Marine
Easy
©AI Generated·ProprietaryBlack Wrasse
Halichoeres adustus
Water temp23 - 28 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 200 LTank levelMiddle/BottomAdult size12 cm
Marine
Easy
©AI Generated·ProprietaryBlackcap Basslet
Gramma melacara
Water temp24 - 27 °CpH Value8.1 - 8.4 pHGH15 - 25 dGHKH8 - 12 dKHMinimum tank volume>= 120 LTank levelMiddle/BottomAdult size10 cm
Marine
Easy
©AI Generated·ProprietaryBlackear Wrasse
Halichoeres poeyi
Water temp22 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 300 LTank levelMiddle/BottomAdult size20 cm
Freshwater
Intermediate
©AI Generated·ProprietaryBlind Cave Tetra
Astyanax mexicanus
Water temp20 - 25 °CpH Value6.5 - 8 pHGH5 - 25 dGHKH2 - 12 dKHMinimum tank volume>= 100 LTank levelAll levelsAdult size12 cm
Freshwater
Easy
©AI Generated·ProprietaryBlue Acara
Andinoacara pulcher
Water temp22 - 30 °CpH Value6.5 - 8 pHGH3 - 15 dGHKH1 - 7 dKHMinimum tank volume>= 150 LTank levelMiddle/BottomAdult size16 cm
Freshwater
Easy
©AI Generation·ProprietaryBlue Acara
Andinoacara pulcher
Water temp22 - 28 °CpH Value6.5 - 8 pHGH4 - 15 dGHKH2 - 7 dKHMinimum tank volume>= 180 LTank levelMiddle/BottomAdult size16 cm
Marine
Advanced
©AI Generated·ProprietaryBlue Angelfish
Holacanthus bermudensis
Water temp22 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 800 LTank levelAll levelsAdult size45 cm
Marine
Easy
©AI Generated·ProprietaryBlue Chromis
Chromis cyanea
Water temp24 - 27 °CpH Value8.1 - 8.4 pHGH15 - 25 dGHKH8 - 12 dKHMinimum tank volume>= 150 LTank levelTop/MiddleAdult size12 cm
Marine
Intermediate
©AI Generated·ProprietaryBlue tang surgeonfish
Acanthurus coeruleus
Water temp22 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 680 LTank levelAll levelsAdult size39 cm
Freshwater
Intermediate
©AI Generated·ProprietaryBlue-eyed livebearer
Priapella intermedia
Water temp21 - 26 °CpH Value7 - 7.5 pHGH7 - 21 dGHKH3 - 10 dKHMinimum tank volume>= 50 LTank levelTopAdult size5 cm
Marine
Intermediate
©AI Generated·ProprietaryBluebanded goby
Lythrypnus dalli
Water temp16 - 22 °CpH Value8 - 8.5 pHKH8 - 12 dKHMinimum tank volume>= 75 LTank levelBottomAdult size5 cm
Marine
Intermediate
©AI Generated·ProprietaryBluehead wrasse
Thalassoma bifasciatum
Water temp22 - 26 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 300 LTank levelMiddleAdult size25 cm
Marine
Expert
©AI Generated·ProprietaryBluestripe Pipefish
Doryrhamphus excisus
Water temp22 - 27 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 80 LTank levelMiddle/BottomAdult size7 cm
Marine
Easy
©AI Generated·ProprietaryBroadstriped cardinalfish
Ostorhinchus angustatus
Water temp24 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 120 LTank levelMiddle/BottomAdult size11 cm
Freshwater
Easy
©AI Generated·ProprietaryBronze cory
Corydoras aeneus
Water temp22 - 28 °CpH Value6 - 8 pHGH2 - 20 dGHKH0 - 7 dKHMinimum tank volume>= 75 LTank levelBottomAdult size7 cm
Marine
Easy
©AI Generated·ProprietaryBrown Chromis
Chromis multilineata
Water temp22 - 27 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 250 LTank levelTop/MiddleAdult size15 cm
Showing 24 of 153
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.