RE: Fish Vision (was Re: No-luck Nannacara)

[henshawm@ruf.rice.edu (Mike Henshaw)]

>
>I am not sure about freshwater fish, but most pelegic fish such as =
>marlin and tuna can see only shades of blue. Since red and green light =
>quickly get filtered by the water.=20

This would be one of those exceptions that I refered to (see below).

>I suspect there are some exceptions to be found in deep water fish =
>however.
- ------------------------------------
Dept. of Ecology & Evol. Biology, MS-170
Rice University
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