Aplysia fasciata? from Rio de Janeiro

March 25, 2004
From: Vinicius Padula Anderson


Hi Bill,
I send to the Forum these photos of another Aplysia from Conchas Beach, Rio de Janeiro state, Brazil.

I don´t know what species it is. I think it is Aplysia brasiliana, but I´m not sure. At the same locality there were lots of similar individuals but they are were more white or totally black. Are the same species?
I saw an yellow egg mass to.

Date: February 2004
Location: Conchas Beach, Cabo Frio, Rio de Janeiro, Brazil
Depth: 2 meters
Size: ~15cm

Best wishes,
Vinicius Padula

viniciuspadula@hotmail.com

Anderson, V., 2004 (Mar 25) Aplysia fasciata? from Rio de Janeiro. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12499

Dear Vinicius,
This is an extremely interesting find. If you had said it was from the Atlantic coast of Europe, or West Africa, I would have had no doubt identifying it as Aplysia fasciata. For example it is very similar in colour to Joao Pedro Silva's photos [#9815] from Portugal, except for the presence of a red parapodial border. However specimens of Aplysia fasciata often have a red parapodial border and as far as I can find, the west Atlantic equivalent species, Aplysia brasiliana, has not been reported to have a red or pink border.

I have checked the literature and no one has reported Aplysia fasciata from the western Atlantic. I would be very interested in seeing photos of some of the other colour forms you saw at the same locality. I have discussed the identity of this animal more fully in a separate message [#12545], but basically it suggests that A. brasiliana and A. fasciata are populations of one amphiatlantic species.
Best wishes,
Bill Rudman

Rudman, W.B., 2004 (Mar 25). Comment on Aplysia fasciata? from Rio de Janeiro by Vinicius Padula Anderson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12499

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Aplysia fasciata

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