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Project Noah Nature School
Found when snorkeling at Krabi, Thailand.
They are for sure parrotfish, but there are many species and often female and male look different:
http://en.wikipedia.org/wiki/Parrotfish
They almost look like Parrot fish. Parrot fish eat the algae and top bits of the coral. They excrete fine grained sand after digesting the coral. :-)
Spotted on Jun 16, 2012
Submitted on Jun 16, 2012
