Add Yahoo as a preferred source to see more of our stories on Google. The ocean is home to a vast array of different animals, each with its own traits. These include different forms of mating, such as ...

According to lead researcher in the field of ecotoxicology, human medicines that end up in the ecosystem are causing mutations in the male fish that mutate them into females. Professor Charles Tyler, ...

A female fish has been observed undergoing a rare process in which it grew male reproductive organs and impregnated itself, going on to have offspring. In a study published in the Royal Society Open ...

Research from Australia has found that some species of fish will have higher reproductive capacity because of larger sex organs, under the more acidic oceans of the future. Research from the ...

Norwegian researchers show that the sperm of Arctic char, a cold-water fish common to alpine lakes, swim at different speeds in different fluids, depending on whether the fish are dominant or ...

A mussel has been captured on video flapping its mantle in an attempt to lure a fish to involuntarily serve as a host for its larvae. The short clip, which was posted online by the West Virginia ...

The ocean is home to a vast array of different animals, each with its own traits. These include different forms of mating, such as parasitic mating. Parasitic mating occurs when the male physically ...