Atagema spongiosa (Kelaart, 1858) [Doris]

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Atagema spongiosa is very well camouflaged. In the field it is almost invisible, though is grows up to 20 cm. I discovered my first one by chance in a tidepool, frankly said: I stepped on it when walking to the divesite, and noticed there was some soft under my foot. This species is in almost all publications on sea slugs (published before 2000) as Trippa spongiosa. Concerning the change of Trippa to Atagema have a look at Valdés & Gosliner (2001).
Valdés, A. & Gosliner, T. M. (2001) Systematics and phylogeny of the caryophyllidia-bearing dorids (Mollusca, Nudibranchia), with the description of a new genus and four new species from Indo-Pacific deep waters.
Zoological Journal of the Linnean Society, 133: 103-198.
More information on Atagema spongiosa are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 6 February 2017, Atagema spongiosa (Kelaart, 1858)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Atagema_spongiosa.htm