Janolus sp. from Senegal

May 2, 2003
From: Marina & Patrice

Dear Bill,
Here is another beautiful find from Dakar, Senegal. Have you any idea which species of Janolus it is ?

These photos were taken by Patrice on the Tacoma wreck in April 1999, at a depth of 10m.

The first animal has something between rhinophores. Is it an egg-mass of a copepod parasite ?
Best wishes,
Marina Poddubetskaia
nembro@nembro.info
Patrice Petit de Voize

PdeVoize@aol.com

Poddubetskaia, M. & Petit de Voize, P., 2003 (May 2) Janolus sp. from Senegal. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9653

Dear Marina & Patrice,
I don't recognise this species of Janolus. The creamy subapical band on the cerata should make it identifiable if it has a name. The orange lump between the rhinophores is certainly pronounced. It is the caruncle or inter-rhinophoral crest which is one of the distinguishing features of the genus Janolus, and is considered to have some sensory function.

If anyone recognises the species, there input would be appreciated.
Best wishes,
Bill Rudman

Rudman, W.B., 2003 (May 2). Comment on Janolus sp. from Senegal by Marina & Patrice. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9653

Factsheet

Janolus praeclarus

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