- What is a Nudibranch? quick introduction...
The following sites have excellent information and EXTENSIVE link collections, check them out:
- SeaSlug.com - Literature search engine, bibliography, taxonomic files and links to over 7,500 color opisthobranch photos from around the world. Reference source for information about marine slugs, seaslugs, anaspideans, lamellarians, heteropods, pteropods, gymnosomatans, opisthobranchs, pyramidellids, nudibranchs, micro-shells & related mollusks
- Slug Site - Sea slug of the week, photos, news, good stuff!