Tentacles brownish. Foot blotched red-brown. Sides of spire profile almost flat.
On maerl substrate, 4 m sublittoral, Arran, Scotland. © D. Watson and Scotland, April 2013. © J. Anderson.
Tentacles brownish. Foot blotched red-brown. Sides of spire profile almost flat.
On maerl substrate, 4 m sublittoral, Arran, Scotland. © D. Watson and Scotland, April 2013. © J. Anderson.