Oxynoe viridis from Heron Island

August 6, 2000
From: Julie Marshall

Dear Bill,

A photo of a large (25 mm) Oxynoe viridis found on Caulerpa racemosa on the reef flat at Heron Island in April this year. Although it had blue spots on the head, tail and lower sides of the parapodia the usual blue spots on the parapodial margins were very small dots.

Best wishes,

Julie Marshall

j.marshall@latrobe.edu.au

Marshall, J., 2000 (Aug 6) Oxynoe viridis from Heron Island. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2819

Dear Julie,
Thanks for the photo. Because it was quite a large scan I have been able to prepare close-ups of the mantle edge near the head (lower left photo) to show the large glands along the edge of the mantle just at the mouth of the shell. These glands are part of an armoury of 'repugnatorial glands' which produce a white distasteful secretion when the animal is disturbed. Elsewhere on the skin the glands are much smaller. The lower right photo shows some of the secretion from the posterior foot.

Best wishes,
Bill Rudman.

Rudman, W.B., 2000 (Aug 6). Comment on Oxynoe viridis from Heron Island by Julie Marshall. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2819

Factsheet

Oxynoe viridis

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