A-Z of Fishes
Basic information about many species of fresh, salt, and brackish-water fish, grouped by family and listed by common name, as well as a message board devoted to the novice aquarist.
Class Actinopterygii
Taxonomy of the class known as bony fish, osteichthyes, ray-finned fish, or spiny-rayed fish, with profiles of representative species of each order and family.
FishBase
Searchable global database containing information on 25,585 species (110,000 common names), 71,000 synonyms, 28,000 photos, and 21,000 references.
