Philinopsis ctenophoraphaga  Gosliner, 2011

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Philinopsis ctenophoraphaga has recently been described, (published on 28 January 2011) see references. It has a distinctive colour pattern: the body is translucent maroon to pink with opaque white spots. There is an elevated flap on the posterior end of the headshield.
Let me quote the description in Gosliner (2011):
"External morphology. The general body color of the living animal is light pinkish to maroon red. The pigment is a darker red on the anterior portion of the head, along the parapodial margins and along the elongated appendage on the posterior end of the cephalic shield. The entire dorsal and lateral surfaces of the body are ornamented with scattered opaque white spots that are surrounded by a faint halo of lighter pigment. Living animals are elongate (18-40 mm long), and wide (6-15 mm). The anterior end of the cephalic shield is slightly trilobate. The cephalic shield is roughly rectangular and terminates posteriorly into an elongate triangular appendage that is held upright when the animal is actively crawling (Gosliner et al. 2008, top figure). The posterior shield is slightly rounded anteriorly and terminates in a bilobed pair of extensions that are relatively short, forming a skirt around the edge of the mantle. The parapodia are relatively short, leaving most of the cephalic and posterior shields visible. The gill is simply plicate consisting of 10 primary folds and is situated on the right posterior side of the animal."
Philinopsis ctenophoraphaga has been observed feeding on benthic ctenophores, hence its name meaning "ctenophore eating".
This species is as Philinopsis sp. 1 in IPN at page 40.
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp.
Gosliner, Terrence M., 2011. Six new species of aglajid opisthobranch mollusks from the tropical Indo-Pacific. Zootaxa 2751: 1-24.
This text is as PDF online at http://www.mapress.com/zootaxa/2011/f/z02751p024f.pdf
More information on Philinopsis ctenophoraphaga as Aglajid sp. 9 are on Bill Rudman's Sea Slug Forum!
How to cite:
Köhler, E. (2020), published 1 December 2020, Philinopsis ctenophoraphaga  Gosliner, 2011
available from https://www.Philippine-Sea-Slugs.com/Cephalaspidea/Philinopsis_ctenophoraphaga.htm


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