Aplysiopsis sp.  Genus: Deshayes, 1853

http://www.seaslugforum.net/showall/aplysiopsp1
http://rfbolland.com/okislugs/aply_sp1.html
http://www.medslugs.de/E/Pac-E/Aplysiopsis_sp_01/Selection.htm
http://www.cosmos.ne.jp/~ononini/seaslug_addenda3/add3_05.html
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=998