Phyllodesmium crypticum from sthn Queensland

May 28, 2007
From: Bruce Wilkie

Hi Bill,
I found this animal the other day, and I think it may be Phyllodesmium crypticum, could you please confirm the id?

Locality: Flat Rock North Stradbroke Island, 16 metres, Queensland Australia, Pacific ocean, 24 February 2007, rocky reef with sponges, hard & soft corals . Length: 15mm. Photographer: Bruce Wilkie.

Many Thanks,
Bruce Wilkie.

brucedwilkie@yahoo.com.au

Wilkie, B., 2007 (May 28) Phyllodesmium crypticum from sthn Queensland. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19626

Dear Bruce,
Yes this is P. crypticum. I have added a couple of close-ups to show the branching of the digestive gland in the cerata. Your animal shows only a few scattered brown patches on the ceratal wall which suggests it is short of the unicellular algae [zooxanthellae] it gets from feeding on certain soft corals. I guess it hasn't fed for a while.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (May 28). Comment on Phyllodesmium crypticum from sthn Queensland by Bruce Wilkie. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19626

Factsheet

Phyllodesmium crypticum

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