Fish

Brazilian officials confiscated over 63,000 pounds (28,500 kilograms) of shark fins that were destined for Asian markets, according to reports.

How much water a fish drinks depends on the saltiness of its surroundings.

The world's biggest shark species usually filter feeds, passively gathering krill and other plankton while swimming through the water. But new footage shows something entirely different.

Fishers who caught the deep-sea shark originally planned on selling it to a restaurant, but the Taiwan Ocean Artistic Museum obtained the specimen and plans on displaying it.

An angler caught the gigantic wels catfish in the murky waters of the River Po, in Italy, where the previous world record for the largest catfish was set just 2 months ago.

Juvenile great white sharks are near to people in Southern California nearly every day but rarely bite them.

These "greedy" eels likely retreated into the gloomy depths of underwater caves in search of tasty crustaceans and are adapting to the darkness by going blind, one eye at a time.

A video that captures a shark attacking a gray seal is going viral and marks the first great white shark sighting of the season in Cape Cod.

The victim was surfing off the coast of South Australia when a shark dragged him under. Bits of wetsuit were later found.

Piranhas had become accustomed to the free food discarded in the river. Once first blood was drawn, the school attacked en masse.