Flabellina iodinea and mimic
July 2, 2000
From: Jeff Goddard
Hi Bill,
Here is a photo by Todd Huspeni of a Flabellina iodinea collected subtidally in Santa Barbara County, California, USA, along with some information on this exquisite aeolid for The Forum.
I have also enclosed a photo by Mike Behrens (Dave's son) of the amphipod crustacean mimic of the aeolid. The amphipod was collected from Diablo Canyon, San Luis Obispo County, in central California.
This color variety of the amphipod crustacean Podocerus cristatus mimics Flabellina iodinea in central California (Gosliner & Behrens, 1990). Another color variety of this same amphipod mimics Flabellina trilineata on the central Oregon coast.
Reference: Gosliner, T.M. & D.W. Behrens. 1990. Special resemblance, aposematic coloration, and mimicry in opisthobranch gastropods. Pp. 127-138 [In] M. Wicksten (ed.) Adaptive coloration in invertebrates. Texas A & M University Sea Grant Program: College Station, Texas, USA.
Best wishes,
Jeff
Goddard@lifesci.ucsb.edu
Goddard, J., 2000 (Jul 2) Flabellina iodinea and mimic. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2641Dear Jeff,
I don't know why you Californians bother leaving home. You certainly have some of the most spectacularly coloured nudibranchs around! I have out most of your information on the species page. I had forgotten about F. iodinea getting its red/orange pigment from its food. A fascinating story.
Best wishes,
Bill Rudman.
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