Author: Undescribed

Order: Nudibranchia  Family: Polyceridae

Maximum Size: 18 mm

Sightings: Anilao, Philippines

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This is the Thecacera sp. 2 of NSSI, 2018.

Usually found in deep water.

References:
– Gosliner, T. M., Valde ́s, A ́. & Behrens, D. W. (2018). Nudibranch & Sea Slug Identification – Indo-Pacific, 2nd Edition. New World Publications, Jacksonville, Florida, USA.