Re: Tambja eliora from Ecuador

August 15, 2003
From: Alicia Hermosillo

Dear Bill,
I forgot the data for the picture in my earlier message:
Majahuitas, Bahia de Banderas, Pacific Coast of Mexico, June 18th, 45 feet deep, 43 mm long.

We have very little data on Tambja eliora. Hans Bertsch has been collecting data for it in Bahia de los Angeles (upper Gulf of California), where it is pretty abundant (seasonally). It is also common in the Pacific Coast of Baja and in La Paz. Then, for Bahia de Banderas, I have only recorded 2 specimens in over 400 hours of search the past 18 months... so I think it is safe to say it is very rare. There are no records of it anywhere else in the Pacific Coast of Mexico, which is no surprise since no research has been done on opisthobranchs. I have a friend who is a dive master in Oaxaca and has told me Tambja abdere is seasonally abundant there, just like it is here in Bahia de Banderas. Going south in the Pacific Coast, the next reports of Tambja (both species) are from Peter Ajatai in Costa Rica and this specimen from Ecuador. I did about 60 hours of survey in Panama last May but did not find any, still, seasonality could be the reason.

I hope this is of help to anyone.

Hermosillo, A., 2003 (Aug 15) Re: Tambja eliora from Ecuador. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Ali,
Bill Rudman


Tambja eliora

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