Searching for a comprehensive fish information resource? The Catalog of Fishes from the California Academy of Sciences contains approximately 56,000 described species and subspecies of fishes making it "the first treatment of all described fishes since Linnaeus in 1758." The Catalog also contains approximately 21,700 references, and 10,600 genera and subgenera. The website includes an Introduction with brief sections for Species of Fishes, Genera of Fishes, Species of Classification, Genera in Classification, and Literature Cited. Site users can locate fish by searching separate databases for genera, species, and references. The site also provides instructions for searching the three respective databases.