Tambja affinis from South Africa

September 22, 2005
From: Colin Ogden

Hi Bill,
On a revent dive I came across this nudi, which from the Debelius book appears to be a Roboastra arika, which I don't find on the forum species list. Am I correct with the ID? It is very different from the R. gracilis which we do find quite often. It was also close to the R. luteolineata, but also has a lot more colour.

Locality: Sodwana Bay, Stringer reef, South Africa, Indian Ocean coast. Depth: 12 metres. Length: 35 mm. 20 September 2005. Coral reef. Photographer: Colin Ogden

Thanks a ton
Colin

scubaco@iafrica.com

Ogden C M, 2005 (Sep 22) Tambja affinis from South Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14810

Dear Colin,
Thanks for this beautiful photo of Tambja affinis. It does look quite like the animal which was previously identified as Roboastra arika, but has recently been named Tambja victoriae. Like Marina Poddubetskaia Ossokine's message [#14479] of animals from Ceylon, your animal has rhinophores with blue bases and tips, suggesting that the intensity of the blue pigmentation in this species can vary.

Concerning searching on the Forum. The Species List is a list of current names on the Forum. Where a name has changed I take it off the list but usually leave a 'ghost' Fact Sheet in place to redirect people who are searching for the old name or using an old link. We are in the process of making the search engine on the Forum more 'sophisticated' but if you had searched for arika you would have found the ghost page and earlier messages referring to "Roboastra arika" . Mind you, if you had identified it yourself, we might not have had the pleasure of seeing your photo.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Sep 22). Comment on Tambja affinis from South Africa by Colin Ogden. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14810

Factsheet

Tambja affinis

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