Cerberilla incola from the Indian Ocean!

February 17, 2010
From: Sully Bachel


Concerning message #1613:

Hello Bill

I have found this nudibranch on a sandy bottom in a field of Cérianthaires near several Cerberilla affinis.

Locality: La Possession, 9 m, La Reunion, Indian Ocean, 14 December 2009, Intertidal - sandy bottom. Length: 25 - 30 mm. Photographer: Sully Bachel.

I suppose it is a Cerberilla incola.

What is your opinion.

Best regards
Sully


s.bachel@orange.fr

Bachel, S., 2010 (Feb 17) Cerberilla incola from the Indian Ocean!. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23150

Dear Sully,

I have always considered C. incola to be a species confined to temperate waters of southeastern Australia, but your animals from Reunion Island are identical in colour, so I guess I will have to revise my views. Since we sometimes get widespread Indo-Pacific species occurring in southeastern Australia, it is certainly not silly to think your animals are the same.

Why has it not been recorded from other parts of this vast area? I guess its habit, like all species of Cerberilla, to burrow in sandy and silty bottoms, means that it is seldom seen. This is an interesting find

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (Feb 17). Comment on Cerberilla incola from the Indian Ocean! by Sully Bachel. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23150

Factsheet

Cerberilla incola

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