Tuna Stay Warm with Cold Hearts
The heart of a bluefin tuna keeps pumping during extreme temperature changes that would stop a human heart, according to…
Tag: fish
Harlequin Filefish Uses Smell to Fool Predators
Harlequin filefish can disguise their smell to hide from predators. In fact, they can make themselves smell like coral instead…
Bluefin Killifish Flamboyant Fin Colors
Fish use their fins for swimming, but fins can also advertise a fish’s social status and health. In a new…