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"The purpose of CephBase is to provide taxonomic data, life history, distribution, images, videos, references and scientific contact information on all living species of cephalopods (octopus, squid, cuttlefish and nautilus)." The CephBase Project Manager is James Woods, a researcher at the National Resource Center for Cephalopods, University of Texas Medical Branch.
This site says of itself: "FishBase on the web contains practically all fish species known to science." Fish are searchable by common name, scientific name, by family, and several other methods. Information retrieved often includes color photographs as well as concise biological information and links to other information sources.
J. Michael Williamson, Associate Professor at Wheelock College in Boston, is the principal investigator associated with WhaleNet which is an "interactive educational web site which focuses on whales and marine research." The site is keyword searchable and there is also a browsable index of topics. One of the fun features of this site is the Satellite Tagging Data, Maps and Information page where you can access maps and information about tagged seals, whales, porpoises, and turtles.