Caulerpa ambigua - sacoglossan food

March 23, 2002
From: Nishina Masayoshi

Dear Bill,
Concerning your question 'It would be interesting to know the name of the Caulerpa that Volvatella ayakii is on'.

The name is Caulerpa ambigua(okamurae). In Hachijo Island, there are other kinds of Caulerpa but this Volvatella lives only on C. ambigua. There are at least 5 different species of sacoglossan that live on C.ambigua, sometimes a number of species are found on the same plant.

They are:
Oxynoe viridis
Lobiger viridis (L.souverbii?)
Volvatella ayakii
Tamanovalva limax and
Elysia cf. tomentosa.

Best Regards,
Nishina Masayoshi

Masayoshi, N., 2002 (Mar 23) Caulerpa ambigua - sacoglossan food. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Nishina,
Bill Rudman


Volvatella ayakii

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