Male Fish Turn Female in Basque Coast of Spain

Biologists have found evidence of "feminisation" of male fish in the estuaries in the Basque coast of Spain, something that can be called as a perfect case of gender-bender among fish. Pollutants acting as oestrogens are responsible for this phenomenon which, among other changes, is causing ovocytes -- immature ova -- to appear in male fish, biologists claimed. The acquisition of feminine features by male fish has been detected, to a greater or lesser ...