Radula of Aegires punctilucens from Australia

January 28, 2003
From: Bill Rudman

There has been some debate over the identification of the Mediterranean and western European species Aegires punctilucens from Japan. I have also found very similar-looking specimens in eastern Australia. Templado et al (1987) while comparing north Atlantic species considered that the species from Japan was different from the Atlantic species:
'mainly in radula features. ... the outer and inner teeth are similar in Japanese specimens, whereas the Atlantic specimens have the outer teeth thicker than the inner ones',

Here are some photos of the radula of an animal from eastern Australia showing a similar radular morphology to that described for Atlantic specimens.

PHOTOS: Scanning electron micrographs of the radula of an animal from Woody Hd, nr Iluka, nthn New South Wales, Australia. AM C103308. Scale bars: Upper - 100 microns. Lower - 10 microns. Photos: G. Avern.

• Templado, J., A. A. Luque, & Jesus A. Ortea. (1987) A new species of Aegires Loven, 1844 (Opisthobranchia: Doridacea, Aegiretidae) from the Caribbean Sea: Aegires ortizi spec. nov., with comparative descriptions of the North Atlantic species of this genus. The Veliger, 29(3): 303-307.

Best wishes,
Bill Rudman

Rudman, W.B., 2003 (Jan 28) Radula of Aegires punctilucens from Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9037

Factsheet

Aegires punctilucens

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