Nembrotha chamberlaini Gosliner & Behrens, 1997

セグロリュウグウウミウシ Nembrotha chamberlaini

Location
Solana, Anilao, Philippines
Date
2024/05/01
Length
??mm
Depth
??m
Water temperature
29.0℃

Description

The body is elongate and limaciform, reaching up to 100 mm in living animals (62 mm preserved). A broad dark brown to black saddle extends along the mid-dorsal surface from behind the head to the tail. The dorsal surface of the head and the rhinophores are uniformly bright red, as are the gills, their bases, and the postero-dorsal portion of the foot. The entire body surface is textured with longitudinal wrinkles, more noticeable on lightly colored surfaces. The margin of the foot is delineated by a blue to purple band, within which a yellow band is present. The foot corners and cephalic ridge are also bluish purple. Two translucent, variably sized spots are present posterior to the rhinophores, through which the dorsal eyes are visible; these patches are outlined in yellow and may vary from tear-drop to attached rhomboids. The five gills are tripinnate. The genital aperture is located midway between the gills and rhinophores. Color pattern shows considerable individual variation in the extent of black and the shape of white markings.

Distribution

Known from Luzon and Mindoro Islands in the Philippines (present study) and Okinawa (Okutani 1994).

Etymology

Named for Dr. Marc Chamberlain of San Diego, California, a friend, underwater photographer and opisthobranch enthusiast who contributed much to our understanding of Pacific biodiversity and supported publication of this work.

Remarks

A predator on tunicates, specifically Rhopalaea sp., Clavellina moluccensis (Sluiter, 1904) and Oxycorynia fascicularis Drasche, 1882.

References

Featured in this book

Terrence Gosliner, Ángel Valdés and David Behrens. (2018). Nudibranch and Sea Slug Identification Indo-Pacific 2nd Edition. New World Pubns Inc. cover

Terrence Gosliner, Ángel Valdés and David Behrens. (2018). Nudibranch and Sea Slug Identification Indo-Pacific 2nd Edition. New World Pubns Inc.

New World Publications

This species, Nembrotha chamberlaini, is included in the book.

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Academic Database

Sea slug observation data is available in international marine biodiversity databases.

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