Okinawa Nudibranches.
Nudibranches from the Philippines.
Extensive site on sea slugs from the Philippines, photographed by Erwin Koehler.
Lots of info and links on Opisthobranchs.
All on the Ophistobranchs of Okinawa, by Bob Bolland.
Nudibranchs from the Mediterranean, Red Sea and Indian Ocean.
Ask questions, post information and find out more about nudibranchs.
Underwater photographs of nudibranchs from the Solomon Islands, Papua New Guinea and Palau.
Opisthobranchia around Hachijo Island (Japan).
Photo gallery of Malaysian sea slugs.
Torkild Bakken's project on nudibranch diversity in the coast of Central Norway.
Nudibranch pictures.
Nudibranchs around Scotland.
Antarctic opisthobranchs.
Nudibranch photos by Gordon Smith.
Miquel Pontes opisthobranchs (Spain).
Scuba diving photography by Brauchli (Switzerland)
Opisthobranchs in the coast of Granada.
Costa Rica opisthobranchs.
Mediterranean nudibranchs.