Atagema spongiosa? from Anilao, Philippines
August 7, 2006
From: Reindert Grooters and Mieke Snoek
![](/images/m16837a.jpg)
Hello Bill,
Can you identify this big nudibranch (about 18 cm measured with my lamp), which we found during a night dive in Anilao. The big blotches on the further smooth skin seems to be characteristic. The color on the foto's are as we remember: red-brownish with white speckles.
Locality: Anilao, Batangas, 7 metres, Philippines, Pacific, 17 November 2005, Sand and coral patches. Length: 18 cm. Photographer: Mieke Snoek.
Thanks.
Reindert & Mieke
mieke.reindert@chello.nl
![](/images/m16837d.jpg)
Dear Reindert & Mieke,
I am pretty sure this isAtagema spongiosa . I at first thought it might be some sort of polycerid from its shape, but I am pretty sure that the gills and rhinophores have pocket into which they can contract. I suspect the mantle has been severely damaged, with most of the edge broken or bitten off. The greenish white patches remind me of Atagema spongiosa, as does its large size, so that is my best guess
Best wishes,
Bill Rudman
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