Chromodoris reticulata - Disposable penis model nudibranch
Madidir III, Lembeh.
Meet the nudi with disposable penis! It is the one with disposable penis mentioned in the National Geographic link of previous nudi posting. I add additional links commenting this cool feature here below:
''Goniobranchus reticulatus'' is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.