Friday, July 1, 2011

River snail



















River snail have 1 pair of tentacle. One of male snail's is a little bending at the top of right.
They are gonochorism, not hermaphodite.
After mating female snail lay eggs.

But, female have all but same size and straight tentacle.


After hatching in it, Female river snail made a sacrifaced to their eggs and then die.










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