Ceratasoma tenue from North Sulawesi

October 12, 2002
From: Marli Wakeling


Hi Bill,
I had difficulty telling these apart from from Ceratosoma trilobatum, except for the three protrusions behind the head, which I believe is a defining trait. We found both species at night.
Location: Jahir, Lembeh Straight, Suluwesi, Indonesia
Date: July 2002
Depth: 30 feet
Length: 10 cm.
Photographs: Marli Wakeling

Marli

scubamrli@excite.com

Wakeling, M., 2002 (Oct 12) Ceratasoma tenue from North Sulawesi. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8127

Thanks Marli,
The extra pair of lateral lobes is a good external feature of this species. Both C. tenue and C. trilobatum show a similar range of colour variation. Just remember that trilobatum means 'three lobes' - that is the two lateral ones and the larger posterior lobe - and they shouldn't be a problem.
Cheers,
Bill Rudman

Rudman, W.B., 2002 (Oct 12). Comment on Ceratasoma tenue from North Sulawesi by Marli Wakeling. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8127

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