Quite serious about fish.
1,808 species7,838 photographs1,702 terms explained
Know what you’re after?
By type of fish
The names used in shops and on forums.
New to fishkeeping?
Start here
Let us help you find a fish for your new tank.
Explore
Where they come from
Almost everything in the hobby comes from a handful of river systems.
1,201 species placed · 161 countries · 25 regionsBrowse by place →
Every species
A–Z, with photographs and sources.
1,808 profiles
By classification
Order, family, genus.
102 families · 541 genera
Articles & research
New species, conservation and fieldwork.
27 articles
Glossary
Including several you will never need.
1,702 terms
Aquatic plants
Light, CO₂, placement and propagation.
Invertebrates
Shrimp, snails and crayfish.
Contribute
What the profiles are missing
190 are missing a temperature or a pH, 623 cite no sources and 79 have no photograph. Send a measurement, a photograph or a paper. Evidence required, reviewed on Discord.
58% carry water parameters, a photograph and sources · 607 are on no map
Community