Elysia tomentosa from Ratnagiri, India

May 12, 2009
From: Vishal Jayant Bhave

Concerning message #21829:

Dear Bill,

Here is Elysia tomentosa  found in an intertidal rockpool with Caulerpa sp.

There were about 25 individuals observed (area approx. 45 x 75 cm) about 3-15 cm from the surface (total depth of rockpool was less than 30 cm)

The images of the animals are from Alawa, Mirya, Ratnagiri captured on 11 December 2008 in the shallow intertidal. They were up to 40 mm long. The photo of the eggs was taken on 24 January 2009 at Mandavi, Ratnagiri, in rockpool; on an alga Caulerpa scalpelliformis.

Locality: Ratnagiri, Maharashtra, India, Arabian sea, Intertidal, rocky shores,  Photographer: Vishal Bhave.

Vishal Bhave

vishalbhave@gmail.com

Bhave, V.J., 2009 (May 12) Elysia tomentosa from Ratnagiri, India. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22438

Dear Vishal,

Another interesting find. This is what I have been calling E. tomentosa. It seems to be on the same species of Caulerpathat I have found it on in New Caledonia [message #10486] and Tim Glasby has reported from New South Wales [#10773 ]. Species of Caulerpa are quite difficult to identify 'in the flesh', and extremely difficult to identify from photos but the plant you are calling C. scalpelliformis looks quite similar to the one I am calling C. taxifolia.

Also of interest is your photo of the egg ribbon. In your photo, and others on the same page, the sinuous yellow streak could easily be mistaken for the actual egg string, but as we can see from the close-up, the eggs are colourless and packed together in the egg ribbon while the yellow band is a band of yolk. [see extracapsular yolk Fact Sheet ]

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (May 12). Comment on Elysia tomentosa from Ratnagiri, India by Vishal Jayant Bhave. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22438

Factsheet

Elysia tomentosa

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