The study of freshwater fish in Britain found a fifth of males are now showing feminine traits — including producing eggs, a reduced sperm count and less aggressive behavior — due to gender ...

US SCIENTISTS believe 20 per cent of male black bass in river basins have egg cells growing inside their sexual organs, a sign of how widespread fish feminising has become. The findings come from ...

US SCIENTISTS believe 20 per cent of male black bass in river basins have egg cells growing inside their sexual organs, a sign of how widespread fish feminising has become. The findings come from ...