Re: Left-handed Ceratosoma sinuata

October 27, 2000
From: Donata P. & Akos L.

Note added 30 April 2007: Until now on the Forum this species has been considered a form of C. sinuata [see message #19854]. It is now recognised as C. flavicostata.

Dear Bill,
We are 100% sure that theCeratosoma sinuata at Kurnell, the really big "boy", is actually hanging on to the tail of the specimen in front. If you perhaps thought the greyish matter in the top right-rear is the other one's body, it was a sponge, perhaps a similar species like the one on a particular Shark Point rock in 22m, where our regulars have been turning up.

Regards
Akos & Donata

dna72@softhome.net

Lumnitzer, A. & Piotrowska, D. , 2000 (Oct 27) Re: Left-handed Ceratosoma sinuata. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3240

Dear Akos & Donata,
I guess one was either being curious or perhaps it shows the trailing behaviour which has been reported in most species of Risbecia. Something to look out for when you come across a pair, or more, of this species together.
Best wishes,
Bill Rudman

Rudman, W.B., 2000 (Oct 27). Comment on Re: Left-handed Ceratosoma sinuata by Donata P. & Akos L.. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3240

Factsheet

Ceratosoma flavicostatum

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