New research suggests that long-term exposure to very low concentrations of chlorpyrifos, a widely used insecticide, can ...

A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Fish oil may not help you live longer, a new study suggests. Sept. 11, 2012— -- Fish oil -- a supplement taken daily by millions of Americans -- may not help you live longer, a new study released ...

Freshwater browning is stunting fish growth of some species, shrinking populations of others and changing the composition of ...

Previous studies have found fish oils can promote muscle gain and fat loss, but the results were inconsistent overall. In a study published in the Advances in Nutrition journal, researchers from ...

A new study finds that fish oil has no benefits for people with heart disease. April 9, 2012— -- Millions of Americans take fish oil supplements, hoping to keep their hearts at their healthiest.

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

PFAS – per- and polyfluoroalkyl substances – otherwise known as forever chemicals – are man-made chemicals known for their ...

A UC San Diego study published Tuesday found that more than 90% of freshwater game fish in Southern California had parasites capable of infecting humans and causing health problems. The parasites are ...

More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting humans, according to a new study from researchers at UC San Diego’s Scripps ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...

New research has found that roughly half of Australia's freshwater fish are fond of snacking on animal and plant material, ...