Gymnodoris sp. 13  Genus: Stimpson, 1855

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Gymnodoris sp. 13 is characterized by its translucent whitish colour with small orange tubercles, and an orange marginal band on the head. The rhinophores are translucent white with orange tips. The gills are translucent white, and are arranged in a small arch behind the middle of the body. There is orange pigment on the 'tail'.
Very similar are:
pale variants of Gymnodoris citrina, which differs by the gills, forming a complete circle around the anus, and
Gymnodoris sp. 06 which differs by the translucent orange rhinophores, by the gills, which form an almost complete circle, and by the orange tipped paddle shaped posterior end of the foot,
Gymnodoris sp. 02 which differs by the orange tipped gills, forming a complete circle around the anus,
Gymnodoris sp. 08 which lacks the orange band on the head,