One of the fish weighed 180 pounds, 12 ounces, and was recently approved as the world record. More from GrindTV Jerky is making a clean-eating snack comeback 10 surfing life lessons from Jack Viorel ...

Mammals are defined as warm-blooded vertebrates with hair who produce milk to feed their young. Mammals also have more developed brains than other types of animals. Humans are mammals.

Tuna, opah, and billfishes such as marlins and swordfish are among the 0.1% of fish species that are warm-blooded. Evidence by an international team of researchers led by UC San Diego’s Scripps ...

Basking sharks can maintain a body temperature that is higher than their environment, putting them among a small group of fish species that are warm-blooded. Out of around 35,000 species of fish ...

WASHINGTON - Move over, mammals and birds, and make room for a fish called the opah in the warm-blooded club. Researchers said in the journal Science on Thursday that this deepwater denizen is the ...

Muscular and ferocious, the bluefin tuna has long been a top choice of anglers and chefs, who prize the fight and the flavor of its warm-blooded deep red flesh. But in recent decades this apex ...