Exposure to antidepressants flowing into Australia’s streams and and rivers is “dramatically” altering fish behaviour and reproduction, scientists have warned in a new study. Pharmaceutical pollutants ...

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 ...

Artificial reproduction in fish species encompasses a suite of techniques designed to overcome the limitations of natural spawning. By harnessing hormonal stimulation, controlled environmental ...

Contrary to what is stated in biology textbooks, the growth of fish doesn’t slow down when and because they start spawning. In fact, their growth accelerates after they reproduce, according to a new ...

WASHINGTON — An all-female freshwater fish species called the Amazon molly that inhabits rivers and creeks along the Texas-Mexico border is living proof that sexual reproduction may be vastly ...

Scientists documented a series of “virgin births”, reproduction without mating, in a critically endangered sawfish species pushed to the brink of extinction by over-fishing and habitat destruction in ...

Researchers say that the Ocellated Wrasse is likely to be impacted by the increasing acidity of the oceans A new study suggests that the increasing acidification of the oceans is likely to interfere ...

A new study points to yet another human factor that is hampering the ability of fish to reproduce: the timing of our fishing seasons. The study considers how the timing of fishing efforts might ...

A DNA probing technique clarifies the mechanism behind clonal reproduction of female dojo loach fish, also providing insight into the ancestral origin of the clonal population. A DNA probing technique ...

Seasonal hypoxia, when dissolved oxygen concentrations in water drop below 2 milligrams per liter, is a normal summer occurrence in estuaries. Over the past 20 years, however, pollution has increased ...