Originally Posted By: BobbyRice
I can't think of any common freshwater pond fish the do this.

I would bet a fish sandwich that yellow perch can not.


Ditto.

Tilapia's sexes are changed via hormone or hybridization. I prefer the latter.

BTW how many of you know that for a short period after hatch out fish are neither sex? One can make all males by adding a male hormone to feed or all females by adding a female hormone.

Last edited by Cecil Baird1; 11/08/13 04:10 PM.
If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.