The hybrid freshwater fish actually reproduces exclusively female clones, doing so for much longer than scientists thought ...

The success of the test has proven that mature individuals in the artificially bred Yangtze sturgeon population have the ...

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without males, revealing new clues to how genomes stay healthy.

A small fish swimming in the waters of Mexico and Texas has caused a big issue for scientists. The Amazon molly is a species ...