The Amazon molly is an all-female fish that ditched sexual reproduction entirely, thriving for over 100,000 years through ...

New research from the Democratic Republic of Congo offers a behavioral and anatomical portrait of a species that can achieve ...

Hidden within fish DNA are powerful genetic twists that may explain one of nature’s biggest mysteries: how new species form so quickly. In Lake Malawi, hundreds of cichlid fish species evolved at ...

Even back then, scientists were puzzled. Many prediction models suggested this fish shouldn’t survive beyond roughly 10,000 ...

Quick Take Get to Know the Frogfish Why Is This Birth Such a Big Deal? How Shedd Beat the Odds What This Success Story Means for Conser... This tiny surprise was almost missed entirely. Scientists ...

Pennsylvania officials issued a "do not eat" advisory for two creeks in the commonwealth last week. Video above: One of the affected creeks.The Pennsylvania Department of Environmental Protection and ...

COLUMBIA COUNTY, Pa. — A 'do not eat' order has been put in effect for various species of fish in Columbia County. The Pennsylvania Department of Environmental Protection and the Pennsylvania Fish and ...

With Friday fish fry season upon us, it's time to tackle the really tough question, and no, we're not talking whether you should get a single or double order of perch. It's about that piece of rye ...

Some deep-sea fish may be able to see light in a different way from most other vertebrates, according to a new study. The fish, found in the Red Sea, have what the scientists behind the new study ...

In a viral video on Instagram posted by Scienceboy, a dead fish with its body split open and its insides removed is placed into water, where it begins swimming around as if it were alive. This is not ...

DEAR DR ROACH: Are there health benefits to taking fish-oil capsules? If so, what’s the proper dosage? I’m a fit, healthy 70-year-old male. -- C.S. ANSWER: The benefit of fish oil is one topic in ...

Striped bass reproduction in the Hudson River has now fallen short for the third year in a row, a troubling trend that state officials say could lead to fewer catchable fish in the years ahead. The ...