02 Janolus hyalinus

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02 Janolus hyalinus

Large, central patch, and other smaller areas, of brown pigment. Unpigmented areas (1) show the black background and fine stippling of opaque white.
Cerata continue round anterior of head (2). Many wart-like papillae (3) on surface of cerata.
Extended length 15 mm. LWS, Menai Strait, Wales. April 2011.

Imprint

Photographic guide to the identification and biology of European marine invertebrates

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