Re: Asteronotus variability

September 22, 2001
From: Julie Marshall


Dear Bill,
Following on from recent messages, here are pictures of some other variations of the usual brown Asteronotus cespitosus. Occasionally on Heron Island [Great Barrier Reef, Queensland] I find dull yellow and pale green animals at the reef crest. Whilst the pale green animal has the same arrangement of pustules as the usual brown, solid-looking animal, the dull yellow animal has far more numerous and isolated pustules on its mantle. The mantle of the pale green animal does differ in some respects from the usual brown animal in being less dense and almost transparent at its edge.

Best wishes,
Julie Marshall

juliemarshall@netspace.net.au

Thanks Julie,
Are these both quite large animals? I wonder whether the typical pattern breaks up when they reach a large size. I can't recall seeing small animals without the 'typical' colour pattern.
Cheers,
Bill Rudman

Rudman, W.B., 2001 (Sep 22). Comment on Re: Asteronotus variability by Julie Marshall. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5294

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