America: The appearance of bisexual fish due to water pollution

On September 6, the US authorities announced that an unusual male fish has brought undeveloped eggs in the Potomac River area, specializing in providing clean water to people in the Washington capital (USA).

Scientists suspect that the development of this bisexual fish seems to be related to chemicals, with estrogen-like properties, available in water sources and "altering" hormones. of fish.

Although Mr. Vicki Blazer of the US Geological Statistics Center (USGS) thinks there are many types of estrogenic compounds such as pharmaceuticals, personal medical products, pesticides and herbicides, but it seems to be chemical learning in the Potomac River water is a combination of many different compounds.

Mr. Blazer said scientists need to understand the source of the chemical to better control them.

The Potomac River, which runs through Washington City, is the main source of water for four water plants in the city.