Striped and unstriped Lobiger viridis together

November 9, 2001
From: Bill Rudman

I have just found this photo showing an animal with blue lines on the mantle and one without blue lines together on caulerpa racemosa. These are the same group of animals which are in the photographs at the top of the page from Heron Is, Great Barrier Reef, Queensland, Australia, June, 1983. PHOTOS: Bill Rudman.

It supports my contention that the blue mantle lines are not a good species character and can be present or absent. This photo was taken to show camouflage on Caulerpa so the shape is not very clear. However in the upper photo the upper animal clearly has blue stripes and the lower animal does not.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Nov 9) Striped and unstriped Lobiger viridis together. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Lobiger viridis

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