Seaslug.com, hosted by Steve Long, "provides bibliographic resources for scientific and medical research relating to seaslugs and their allies." Visitors will find loads of information and resources, including a literature search engine, taxonomic and bibliographic records, and links to thousands of photos from around the world. Seaslug.com is appealingly informal, and includes links to similar...

This Web site from INBio -- Costa Rica's Instituto Nacional de Biodiversidad -- documents the first inventory of opisthobranch mollusks of the Pacific Coast of Costa Rica. Started in 1995, the project represents "the first grand-scale inventory in Costa Rica," and is one of the most comprehensive inventories in all of Latin America. Readers will find a detailed introduction to opisthobranch...