Hermaphrodite fish in Spain
Oct 07, 2002
BARCELONA –– The release of industrially used female hormones into an eastern Spanish river has caused male carp to develop female sexual characteristics
BARCELONA –– The release of industrially used female hormones into an eastern Spanish river has caused male carp to develop female sexual characteristics as well, The daily La Vanguardia reported recently. Oestrogen used in the production of contraceptive pills or present in cleaning materials used by the leather industry, prom-pted male carp in river Anoia to develop ovaries and prevented development of their male organs, scientists said.