Cala Joncols, Spain, [Costa Brava, Mediterranean].
Length 7mm, Depth 6m. 05 May 1998. Photo: Erwin Koehler.
Small aeolid, (max length 12mm), with angular anterior foot corners, and smooth elongate rhinophores and oral tentacles. The cerata are arranged in groups, each with a common stalk. The first 3 ceratal clusters on each side are arranged opposite each other while the posterior 3 alternate. The body is opaque white, and the ceratal wall is transparent. The digestive gland duct is bright red and the apical cnidosac is white. The jaw plates are a purplish red and show through on each side of the head as a reddish spot. It is reported to feed on the hydroid Eudendrium.
• Schmekel, L. & Portmann, A., (1982) Opisthobranchia des Mittelmeeres. Nudibranchia und Saccoglossa.
Rudman, W.B., 2002 (December 1) Calmella cavolini (Verany, 1846). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/calmcavo
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From: Erwin Koehler, October 24, 2002