In the rivers of Mexico and southern Texas in the United States, a silvery-scaled fish swims that seems, according to ...

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without ...

Amazon basin fish species living in lakes, floodplain forests and river systems need a high degree of connectivity to stay genetically diverse and healthy, but this connectivity is threatened by ...

In the deepest corners of Amazon, you'll find that the ecommerce website can be a place for buying not only run-of-the-mill products like gadgets and clothing, but also more niche items like ...