http://www.umiushi.info/photo_species/photo_splist_eng.php?sopt=0&loc=0000
http://rfbolland.com/okislugs/gymnokin.html
http://rfbolland.com/okislugs/gymnoki2.html
http://www.medslugs.de/E/Pac-NW/Gymnodoris_okinawae/Selection.htm
http://seaslugs.free.fr/nudibranche/a_gymnodoris_okinawae.htm
http://www.nudibranch.com.au/pages/3352a.htm
http://www.underwaterkwaj.com/nudi/hawaii/h177.htm
http://www.seaslugsofhawaii.com/species/Gymnodoris-okinawae-a.html
http://www.medslugs.de/E/Pac-W/Gymnodoris_okinawae/Selection.htm
http://www.nudipixel.net/species/gymnodoris_okinawae/
http://slugsite.us/bow2007/nudwk793.htm
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=201
http://www.dragonmouse.com.au/diving/nudibase.php?action=nudidetail&id=131