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A veliger is the free-swimming, planktonic larva of many kinds of marine and fresh-water gastropod molluscs, as well as a number of bivalves (Dreissena species).
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Description
Swimming is accomplished by one or more ciliated membranes.
Veliger already have a small shell (gastropod shell or bivalve shell), a foot, eyes and tentacles.
Life cycle
Veliger is hatched from eggs (for example in Dreissena species) or is developed from previous larvae called trochophore.
Finally veliger will change into postlarvae juvenile: it will get rid off ciliated velum and it will lands at some surface.
Veliger of gastropods
Veliger of bivalves
External links
- The Veliger, Publication of the California Malacozoological Society
- information about veliger of Zebra Mussel Dreissena polymorpha
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Wikipedia content modification information:
- This page was last modified on 23 October 2008, at 11:29.
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