Posted 23 December 2003 - 03:27 AM
Posted 23 December 2003 - 10:40 AM
It's an Aphrodite species, and its spines have interesting light transmitting properties. It's supposed to be from deep water....
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Posted 23 December 2003 - 11:19 AM
I don't know much about them but have seen them here in the UK a few times. They burrow under the sand/substrate so they are not visible most of the time.
Posted 23 December 2003 - 12:42 PM
right, it is not a sea mouse, but an irregular urchin, called "heart urchin", maybe Lovenia sp. from the family Loveniidae
there are 3 species of heart urchins in Edgar's book, p. 367-368, but no direct match with this one
you can also try Sea Urchins of Australia and the Indo-Pacific, 2002 by Ashley Miskelly (don't have this one yet)
sea mice (Aphrodite spp.) look quite different