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 ...

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 ...

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, ...

Even accounting for their proportionate size, bigger female fish produce many more offspring than smaller fish, a new study reveals. The results hold implications for fisheries managers, since climate ...

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 ...