Phyllodesmium crypticum ? from Indonesia

January 29, 2009
From: Dominique Horst

Concerning message #20423:

Hi Bill,

A friend of mine back from Indonesia showed me this slug, which I suppose is a Phyllodesmium but for the species ? P.crypticum or P. lembehensis??
Could you help us about the id ?

Locality: Lembeh, 8 m, Indonesia, Celebes Sea, 26 November 2008. Length: 20 mm. Photographer: Elisabeth Juan.

Many thanks and kind regards,
Dom.

dominique.horst@wanadoo.fr

Horst, D., 2009 (Jan 29) Phyllodesmium crypticum ? from Indonesia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22190

Dear Dom,

It's not that easy to separate some species of Phyllodesmium from a photo, but I suspect this is P. crypticum. In P. lembehensis the brownish zooxanthellae seem to be restricted to nodules along the edge of the cerata while your animal sems to have digestive gland branches running to the flat upper and lower surfaces as well.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Jan 29). Comment on Phyllodesmium crypticum ? from Indonesia by Dominique Horst. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22190

Factsheet

Phyllodesmium crypticum

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