The All Catfish Species Inventory (ACSI) serves to "facilitate the discovery, description and dissemination of knowledge of all catfish species by a global consortium of taxonomists and systematists." Contributed to by ichthyologists around the world, this Web site provides a useful portal to catfish resources and information. Features include a listing of type specimen locations, a guide to...

The Annotated Checklists of Fishes is an electronic journal published by the California Academy of Sciences. Established in 2003, the journal "serves to provide the most up-to-date taxonomic treatment of each family of Recent fishes." The Checklists are available in PDF files and are organized sequentially, phylogenetically, and alphabetically by family. This site links to other sections of the...

The North American Native Fishes Association (NANFA) works "to increase and disseminate knowledge about North America's native fishes and their habitats among aquarium hobbyists, biologists, fish and wildlife officials, anglers, educators, students, and others, through publications, electronic media, regional and national meetings, and other means." The NANFA website features a Checklist of...

Hosted by the University of British Columbia, this website contains Fish On Line, a draft guide for teaching and learning about ichthyology. The "guide provides a structure and case study material for a computer-based course in ichthyology for upper undergraduates and graduate students in biology or environmental science. The key resource made accessible through this guide is FishBase, a large...