INRAE, Ifremer and the Universities of Bordeaux (France) and Orebrö (Sweden) have been studying the toll taken by lifelong exposure to toxic microplastics on key biological functions in fish. Two ...

Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research. Some species of fish can evolve their egg-laying habits in ...

Polar fish experience lower mortality than tropical fish, allowing them to delay reproduction until later in life when they are larger and can produce more eggs, according to a study by Mariana ...

Japan is an island nation surrounded by the ocean. Fish are deeply familiar to us, yet they hold many mysteries and possibilities—from their ability to change sex depending on environmental conditions ...

Ocean acidification caused by higher concentrations of carbon dioxide in the atmosphere dissolving in seawater may benefit some less specialized species of fish by increasing the availability of food.

In 1981, scientists discovered that female fish exposed to high temperatures developed testes instead of ovaries. Since then, over 1,100 studies on different animal species, including 400 on ...