Occurrence and Morphology of a Phenotypic Male of a Gynogenetic Fish

See allHide authors and affiliations

Science  01 May 1959:
Vol. 129, Issue 3357, pp. 1227-1229
DOI: 10.1126/science.129.3357.1227-a


A phenotypic male of Mollienesia formosa, a gynogenetic fish, has been collected at Brownsville, Texas. The male and female fish are essentially similar, and their morphology supports a hypothesis that the species is of hybrid origin.

Stay Connected to Science