wwwolf at hgmp.mrc.ac.uk writes:
> Surely there must be some type of marine amphibian in existance today.
> It
> just seems hard to believe that the successful amphibian pathway lost
> the
> ability to regulate salt when it originated in the ocean to begin
with.
>=20
> Can anyone find an example???
> Your help would be most appreciated.
You are correct, there appear to be no purely marine amphibians, however
there are several frogs and toads that can live in brackish (estuarine)
habitats (even as tadpoles). Mostly live in mangrove habitats with
higher
salinity than freshwater. Bufo marinus is one, Rana cancrivora is
another.
Info on the latter can be found at:
http://mangrove.nus.edu.sg/guidebooks/text/2111.htm
The former, of course, is the toad with the common name, Marine Toad:
http://edis.ifas.ufl.edu/BODY_UW046
Hope this helps,
Loren Coleman
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