Costasiella sp. 05  Genus: Pruvot-Fol, 1951

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Costasiella sp. 05 is characterized by a white body colour and by translucent white cerata which are densely covered with minute green and white spots, and have pointed translucent tips. Distinctive are the rhinophores, basally opaque white, the outer 2/3rds are black with a diffuse median whitish patch.
To my knowledge is this the only picture of this species, it is not in IPN nor Gosliner et al. (2015) .
Pretty similar are
Costasiella sp. 01 which differs by a black patch behind the rhinophores, and by the solid white rhinophores.
Costasiella sp. 03 which differs by white rhinophores with black tips.
Costasiella cf. kuroshimae which differs by orange/brown spots in front and behind the eye spots.
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, T.M, D.W. Behrens & Á.Valdés. 2015. Nudibranch & Sea Slug Identification Indo-Pacific.
New World Publications Inc. Jacksonville, FL. 408 pp.
How to cite:
Köhler, E. (2021), published 28 April 2021, Costasiella sp. 05  Genus: Pruvot-Fol, 1951
available from https://www.Philippine-Sea-Slugs.com/Sacoglossa/Costasiella_sp_05.htm


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