Janolus cristatus from Italy

April 26, 2006
From: Luigi Montevecchi


Dear Bill,
Here are some pictures of Janolus cristatus from Tremiti Islands, Italy. The water temperature varied from 11 to 12 °C.  I am not sure that the filaments are the egg of the nudibranch: what do you think about?

Locality: Tremiti Islands, 10-23 meters, Italy, Mediterranean sea, 16 and 17 April 2006, Rocky. Length: 20 mm about. Photographer: Luigi Montevecchi.

Luigi Montevecchi

montevecchi@iol.it

Montevecchi, L., 2006 (Apr 26) Janolus cristatus from Italy. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16421

Thanks Luigi,

Fortunately I can definitely say the egg ribbon does not belong to this species. If you look at message #1285 you can see the very distinctive egg ribbon of J. cristatus. The pinkish egg ribbon in your photo is on the remains of a hydroid colony so I suspect it is the eggs of an aeolid, probably something like Flabellina affinis.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Apr 26). Comment on Janolus cristatus from Italy by Luigi Montevecchi. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16421

Factsheet

Janolus cristatus

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