The Fishery Biology Program of the Northeast Fisheries Science Center provides this resource to assist with age determination of fish and shellfish species from the Northwest Atlantic. Released in its current form in 1997, this resource represents the fruit of many years of accumulated expertise. Techniques for aging sixteen species of fish or shellfish are given here, based on growth marks in...

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...

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...

The coelacanth Latimeria chalumnae, a 400-million year old "living fossil fish," is the last remaining representative of a once widespread family of fleshy-finned (Sarcopterygian) coelacanth fishes. First discovered in 1938, the fish's significance lies in its relation to Eusthenopteron, believed by some scientists to have grown legs and come ashore some 360 million years ago, making it "the...

The Fish and Wildlife Research Institute (FWRI) was formed in 2004, under the direction of the Florida Fish and Wildlife Conservation Commission (FWC), by integrating parts of the Florida Marine Research Institute, the Division of Freshwater Fisheries, and the Division of Wildlife. Beyond "fulfilling the functions previously provided by three groups, FWRI added focus areas in spatial analysis,...

FishBase on the Web offers a free "relational database with information to cater to different professionals such as research scientists, fisheries managers, zoologists and many more." Developed at the International Center for Living Aquatic Resources Management together with the Food and Agriculture Organization of the United Nations and many other partners, FishBase is the online source for "all...

A joint venture between the Monterey Bay Aquarium and Stanford University's Hopkins Marine Station, the Tuna Research and Conservation Center (TRCC) focuses on research that advances "knowledge of the basic biology and captive husbandry of tunas." The TRCC website contains information about various research projects including studies on the North Pacific pelagic ecosystem, bluefin tuna, billfish,...

Given its proximity to numerous large and biologically diverse ecosystems, it is not surprising to learn that the Florida Museum of Natural History has developed such a lovely website that corrals a great deal of interesting and interactive materials on the study of fish. From the homepage, visitors can dive into the ten or so topical headings, include those dealing with sharks, tropical fish...

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...

PBS offers this companion Web site to Ancient Creatures of the Deep, a recent NOVA documentary about the coelacanth, a fascinating living fossil. Numerous educational activities are provided, covering a range of grade levels. Students can discover how coelacanth anatomy is like that of no other animal alive (grades 3-12), learn about eight other living fossil fishes (grades 3-12), or "relive the...