Mating pair of Dirona albolineata

June 5, 2007
From: Daniel Hershman

Dear Bill

I found this mating pair of Dirona albolineata while doing a shallow dive at Edmonds Underwater Marine Park, Washington State.

Locality: Edmonds Underwater Marine Park, 25 feet, WA, United States, Pacific, 27 May 2007, Sandy slope. Length: 1 inch. Photographer: Daniel Hershman.

Daniel Hershman

dphershman@comcast.net

Hershman, D.P., 2007 (Jun 5) Mating pair of Dirona albolineata. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19961

Hi Dan,

It certainly appears that your pair are mating, juxtaposed head to tail. Can't see the genitalia, but I'm they are in there somewhere.

It is interesting that up here in the State of Washington, it is common to find large specimens out on sandy slopes, with not the slightest source of bryozoan prey to be found. Farther south in California this would be a very unusual observation. Down there this species is always near its prey.

Thanks for sharing,
Dave Behrens

Behrens, D.W., 2007 (Jun 5). Comment on Mating pair of Dirona albolineata by Daniel Hershman. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19961

Factsheet

Dirona albolineata

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