''Atagema spongiosa'' is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae.Rudman, W.B., 2002 [In] Sea Slug Forum. Australian Museum, Sydney.
Similar species: Sea Slugs
By Albert Kang
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Uploaded Jun 10, 2017. Captured May 5, 2013 14:00 in Philippines.