Web Directory

» Aplysia brasiliana: Sea Hare
   Information from the Invertebrate Anatomy OnLine about this mollusc, its systematics, external anatomy, internal anatomy and behavior.
   http://webs.lander.edu/rsfox/invertebrates/aplysia.html

» Australian Nudibranchs
   Description, classification and photographs of nudibranchs, as well as the Australasian Nudibranch News, an online newsletter dedicated to nudibranchs of the Australia/Asia region. Part of a larger site devoted to Australian scuba diving.
   http://www.diveoz.com.au/nudibranchs/nudibranch.asp?info=main_page

» Bibliographia Nudibranchia, Gary McDonald
   A comprehensive bibliography of the literature about nudibranchs, including textbooks and local field guides.
   http://escholarship.org/uc/item/87f9q318

» Dorid Nudibranch: Doris kerguelenensis
   Photographs and information from the Underwater Field Guide to Ross Island and McMurdo Sound, Antarctica.
   http://www.peterbrueggeman.com/nsf/fguide/mollusca8.html

» Jeff's Nudibranch Page
   Devoted primarily to the nudibranchs of the Philippines, but also contains information and photographs about crinoids (Echinodermata) and reef organisms in general.
   http://divegallery.com/

» Mediterranean Slug Site
   A plethora of photos and information about Opisthobranchs from the Mediterranean Sea. Also includes nudibranchs from parts of the world other than the Mediterranean.
   http://www.medslugs.de/

» Nudi Pixel
   Web-based nudibranchs identification tool using photographs and underpinned by up to date scientific classification.
   http://www.nudipixel.net/

» Nudibranch Roundup
   Photographs and introduction by Phillip Slosberg.
   http://www.cybereef.com/seaslugs/Pages/roundup.htm

» Nudibranchs
   Photographs and information provided by the National Geographic.
   http://ngm.nationalgeographic.com/2008/06/nudibranchs/holland-text

» Nudibranchs and Marine Flatworm of the World
   Photos of nudibranchs from the Mediterranean, Indian Ocean, and the Red Sea. Unfortunately (from a certain perspective), there is more information about flatworms on this site than about nudibranchs.
   http://www.rzuser.uni-heidelberg.de/~bu6/index.html

» Nudibranchs of Norway
   Knowledge of Norwegian suggested for this site.
   http://www.marinbi.com/nudibranchia/index.htm

» Nudibranchs of the Poor Knight Islands
   Images of some New Zealand nudibranchs.
   http://www.divenz.co.nz/nudibranchs.htm

» Opisthobranchia Around Hachijo Island
   Photographs of nudibranchs from the Izu-Islands group of Japan.
   http://www.mars.dti.ne.jp/~furuse/watching/SLUG/SLUG.html

» Opisthobranchs of Kii Peninsula
   The page is in Japanese.
   http://www.sea-slug.com/species/index.html

» Photos of Indo-Pacific and Red Sea Nudibranchs
   A collection of photographs in which information on the camera, film used, and some species specific data are provided with each photo. [Pop-ups].
   http://www.angelfire.com/mi/sharkcage69/nudi/nudindex.html

» Scottish Nudibranchs
   Deals almost exclusively with this part of the world.
   http://www.scottishnudibranchs.co.uk/scotnud1.html

» Sea Lemon: Archidoris pseudoargus
   Photographs and information on this sea slug from ARKive including classification, status, description, range, habitat, biology, threats and conservation.
   http://www.arkive.org/sea-lemon/archidoris-pseudoargus/

» Sea Slug Forum
   You can ask questions and post information on nudibranchs and other related sea slugs such as bubble-shells, sea hares and side-gilled slugs.
   http://www.seaslugforum.net/

» Sea Slugs and Nudibranchs
   Information on the eight species of sea slug that inhabit the Chesapeake Bay, their life cycles and defence mechanisms.
   http://www.chesapeakebay.net/seaslugs.htm

» Sharif's Malaysian Slugsite
   Contains photographs of Malaysian nudibranchs and links to other nudibranch sites.
   http://www.eperak.com/slugsite/

» Singapore Nudibranchs
   Data available on sites and dates of collection of nudibranchs.
   http://rmbr.nus.edu.sg/nudibranch/main.html

» Sulawesi Sea Slugs
   Images and information of species seen near North Sulawesi, Indonesia.
   http://www.sulawesiseaslugs.com/

» The Okinawa Slug Site
   A site featuring Okinawan Opisthobranch Molluscs, nudibranchs and other related sea slugs such as bubble-shells, sea hares and side-gilled slugs.
   http://rfbolland.com/okislugs/index.html

» The Slug Site
   Devoted to the study of opisthobranch molluscs.
   http://slugsite.tierranet.com/

» Thecacera pennigera: Winged Thecacera
   Photographs and information on this species, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances, community ecology and invasion information.
   http://www.sms.si.edu/irlspec/Thecacera_pennigera.htm

» Tridachia crispata: Sacoglosson
   Information from the Invertebrate Anatomy OnLine about this mollusc, its systematics, external anatomy and internal anatomy.
   http://webs.lander.edu/rsfox/invertebrates/tridachia.html