Phyllodesmium from Indonesia

March 24, 2003
From: Patricia Danna

Dear Bill,
It looks very much like both Phyllodesmium hyalinum or P. crypticum .

Location: Lembeh Strait, Sulawesi, Indonesia. Depth: 12m
Length: 3 to 4cm
Date: November 2001. [#c30]

Thanks,
Pat

tdmpat@chez.com

Danna, P., 2003 (Mar 24) Phyllodesmium from Indonesia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9139

Dear Pat,
I think, like your other specimen, that this is P. crypticum, but it is pretty difficult to be sure just from a photo. I have listed some of the external differences on the Phyllodesmium hyalinum Fact Sheet but two of the important differences are difficult. The position of the anus, is only useful, if it can be seen in the photos, and whether te cerata are in single or double rows can be confused if the animal has dropped a lot of its cerata - a fairly normal defensive strategy. The distinctive 'edges' to the cerata and the relatively long rhinophores, make me think this is P. crypticum, but I can't more than about 75% sure.
Cheers,
Bill Rudman

Rudman, W.B., 2003 (Mar 24). Comment on Phyllodesmium from Indonesia by Patricia Danna. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9139

Factsheet

Phyllodesmium crypticum

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