Image taken at Anilao, Philippines
Members of the family Goniodorididae H. Adams & A. Adams, 1854 are very different from polycerids, which they are usually listed with. Species in this genus have a wide foot and a prominent notal margin. The radular morphology and presence of a buccal pump suggests that these dorids are more closely related to the Onchidorididae than to polycerids. Both the Onchidorididae and the Goniodorididae are more closely related to cryptobranch dorids than to other phanerobranch dorid nudibranchs.
Goniodoris felis was described from Japan, but since its description it has been observed throughout the Western Pacific Ocean. The head and body are white. The prominent noral margin has a series of short tubercles. Its semi-transparent body with brown patches on the dorsum and hyponotum make this species very cryptic on the colonial tunicates it feeds on. Sometimes, finding the egg masses is the clue to finding the adults.
Sammamish, WA 98074
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Gordon Tillen is a retired American businessman living in the Philippines since 2008. He has logged over 3000 dives across the Coral Triangle and the Caribbean. His current equipment is a Canon 5D MKIII with YS-D1 strobes and Sea & Sea housing. Currently resides in Sibulan, Negros Oriental, PH.
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Attention all you Sluggers, and you know who you are!
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This new 2nd Edition is updated and reorganized, including 185 new species. Among other features, the new edition includes additional photographs of species, an identification key, and an up-to-date classification reflecting the latest evolutionary relationships. The Indo-Pacific represents the largest expanse of tropical ocean in the world, stretching from the Indian Ocean coast of southern Africa and the Red Sea to the central Pacific of the Hawaiian Islands, Easter Island and the Marquesas.
This region supports the most diverse marine fauna of any place in the world for most groups of marine organisms. The nudibranchs and sea slugs are no exception to this rule; there are about 3,000 described species of these organisms in the world and at least 40% of these have been found exclusively in the Indo-Pacific tropics. This book illustrates 2,138 Indo-Pacific nudibranchs and sea slugs, including many undescribed species.