Aplysia dactylomela egg masses from the Mediterranean

August 12, 2008
From: Antonello Greco


Dear Bill,

Concerning message #21693 about Aplysia dactylomela on your forum. As you know, two years ago I found a lot of specimens in Giardini Naxos (eastern Sicily) [message #17347 ] and wrote a paper about these findings (including the laying of the egg masses). Some months later I found some specimens in "Isola Bella", in Taormina, a few miles away from Giardini Naxos. Some days ago I found some specimens even in Syracuse 100 kilometers South of Giardini Naxos.

About the egg masses, several times I found them in the field even during the laying. I always found them purple color. I think it can depend on the diet.
I send you two attached photos.

  • Greco A., 2006. Segnalazione di Aplysia dactylomela Rang, 1828 (Opisthobranchia: Aplysiidae) per il Mar Ionio (Sicilia orientale, Taormina). Bollettino Malacologico, 42 (9-12): 125-128.

Best wishes,
Antonello.

antonell78@hotmail.com

Greco, A., 2008 (Aug 12) Aplysia dactylomela egg masses from the Mediterranean. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21787

Dear Antonello,

Thanks for these photos. I think if I had seen this coloured eggs in the Indo-West Pacific I would have remembered. They are a spectacular colour.  Even the pink-red eggs in Vinicius Padula's photos from Brazil [#21695] are quite unlike those from the Pacific I hope this sparks an interest in the topic. Just how multi-coloured are the eggs of Aplysia dactylomela and even allowing for colour change during development, do those from the Atlantic and the Indo-Pacific show a basic difference in colour?

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Aug 12). Comment on Aplysia dactylomela egg masses from the Mediterranean by Antonello Greco. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21787

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Aplysia dactylomela

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