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Elysia timida

(Risso, 1818)

Francesco Pacienza Elysia timida. Please, feel free to share it. ©2012 Francesco Pacienza. Tutti i Diritti Riservati. All rights reserved. Forbidden use or share without signature and Copyright.

Giorgio Cavallaro Uwp (Y) (Y) (Y)

Message posted on UWphotographers on 13 Sep 2013
Guido Villani Elysia timida on Acetabularia acetabulum - Island of Procida (Naples) 2 m

Message posted on EPAM Nudibranchs on 07 May 2013
Lucas CerCur What I need from Mauritius or closer areas is some material of Antaeolidiella indica. This is the type locality. But, after the study of material from quite localities aund the world, this is a complex species. We have pontential old name to adscribe the material of such different regions, but we have not material from Mauritius!!!! So, waht's is A. indica?

Vishal Bhave Lucas CerCur Can you tell me what is the egg case color of True (as per current knowledge) A. indica. We are getting pale orange colored egg case with larger egg size (https://picasaweb.google.com/lh/photo/9-IMpT6QJ2B_E_fKovGuKjHvxf0hpe8UDl63X0RblQE?feat=directlink) and other white egg cases (http://opisthobranchia.lifedesks.org/node/38)

Lucas CerCur Vishal I cannot reply you because I have seen only one specimen attributed to this species at the Strait of Gibraltar and no spawn was layed. The problem is that now we don't know what is A. indica.

Lucas CerCur We should study material from the Maruritius or closer region and compare with the results of sequencing that we hace from different areas of the World.

Lucas CerCur We have about 4-5 names corresponding to different regions that are considered as synonyms of A. indica. Then, we should know if material from Type Region matches with some of those names or not.

Vishal Bhave ok. but based on your experience with aeolids is it possible to lay 2 different egg case by single species ?? Yes, too much variation in Radula also.

Lucas CerCur In my experience, the egg mass of one species is similar usually.

Lucas CerCur Can exist exceptions. Thus, the type of the development can be different depending of the season (availability of food) in the same locality, as happens in Elysia timida.

Lucas CerCur And in other cases, the coloration of the eggs could depends of the food. But....

Lucas CerCur Very fwe cases.

Vishal Bhave Lucas CerCur I recently came across article on this entitled (Poecilogony and population genetic structure in Elysia pusilla (Heterobranchia: Sacoglossa), and reproductive data for five sacoglossans that express dimorphisms in larval development.) So, it can be possible in A. cf. indica??

Lucas CerCur I'm not sure. It is necessary to carry experiences to test this hypothesis.

Lucas CerCur It would be not serious to say "yes" or "not" without a basis.

Vishal Bhave True said, so its an opening to test its true or false

Vinicius Padula Brazilian specimens also present few and large eggs but I didn´t check the morphology of the larvae.

Vishal Bhave Vinicius Padula In your "Vinicius Padula Monografia 2007.pdf" file on page 29 of pdf you have added simmilar redish egg case with larger eggs :D

Vinicius Padula Exactly, this ´species´ has big eggs in Brazil :)

Vishal Bhave so you don't get white egg laying one there?

Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Sacoglossa (Order)
            Plakobranchacea (Suborder)
              Plakobranchoidea (Superfamily)
                Plakobranchidae (Family)
                  Elysia (Genus)
                    Elysia timida (Species)
Associated Species