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Cyerce pavonina  Bergh, 1888

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Cyerce pavonina is characterized by a translucent clear body with a greenish tinge. Let me quote Bill Rudman:
"The shape and colour of the cerata is characteristic of the species. The inside face of each ceras [upper side when cerata are lying flat] are translucent clear with many raised transparent pustules scattered all over. Each transparent pustule is surrounded by a white ring, formed from clusters of opaque white specks, possibly glands. The outside face of each ceras [lower side when cerata are lying flat] is an opaque greenish brown colour with scattered slightly raised nodules which are dull whitish in colour. The edge of the cerata has a yellowish band and raised whitish nodules. The ceratal stalk is colourless and on the outer side there are two elongate marks, a black one close to the attachment point and a larger red one further up."
The cerata are can easily be cast off (autotomised) when the animal is disturbed.
There are pictures of this species online from the Southwestern Indian Ocean, from the Mashall Islands, from Hawaii, and from the Pacific Coast of Mexico.
Cyerce orteai  Valdés & Camacho-García, 2000 described from the Pacific Coast of Costa Rica is most likely a synonym.
Reference:
Rudman, W.B., 2008 (September 15) Cyerce pavonina  Bergh, 1888. [In] Sea Slug Forum. Australian Museum, Sydney.
Available from http://www.seaslugforum.net/factsheet/cyerpavo
More information on Cyerce pavonina are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 18 October 2017, Cyerce pavonina  Bergh, 1888
available from http://www.Philippine-Sea-Slugs.com/Sacoglossa/Cyerce_pavonina.htm