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Pteraeolidia ianthina
Is an aeolid nudibranch, very elongated (7 cm), with many clusters of medium-large sized cerata along the length of the body. The fat rhinophores and the long cephalic tentacles have at least two dark purple bands that stand out. The tips of the cerata contain nematocysts.
Seen in Goby's Rock dive site in Lankayan Island, Sabah (Borneo).
Spotted on Oct 1, 2015
Submitted on Jun 5, 2016
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