Ecology meets endocrinology: environmental sex determination in fishes.

@article{Godwin2003EcologyME,
  title={Ecology meets endocrinology: environmental sex determination in fishes.},
  author={John R. Godwin and John Adam Luckenbach and Russell John Borski},
  journal={Evolution & development},
  year={2003},
  volume={5 1},
  pages={40-9}
}
Van Valen (1973) characterized evolution as the control of development by ecology. Sex determination in fishes provides some clear examples of this “control” in operation. Teleost fishes show a remarkable variety of sex determination and differentiation patterns. These range from systems in which sex is determined by sex chromosomes, as in birds and mammals, to simultaneous hermaphrodites that alternate spawning as a female and male on a second to second basis. This extraordinary flexibility… CONTINUE READING