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Rogan Draper




Gender: Gender:Male
Joined: 26 Jun 2009
Posts: 2
Location: Southwest Pacific

PostPosted: 17.08.2009, 06:01    Post subject: Sex Reply with quote

Hi Felix,

What a good idea! It is good to have a forum where we can make contact with other people interested in Ovulids! Bill Rudman has one for Nudibranchs and it is very popular.

We have a question about the sex of Ovulids: in your book you say, with reference to Archivolva clava that there is sexual dimorphism in shell size, with the male’s being half the size of the female. Can you tell me how this was worked out? Do you know if the male is commonly smaller than the female in other species, as suggested by Neville Coleman?

Regards Sue and Rogan
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felix
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Joined: 25 Jan 2009
Posts: 53

PostPosted: 17.08.2009, 15:46    Post subject: Reply with quote

You sometimes see the very small male mating with a larger female, and in the case of clava, I dissected a few animals - not hard to determine the sex
(in the male the penis is longer - hahaha)
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