Orcas off the coast of Mexico have devised a cunning strategy to hunt and kill whale sharks, and marine scientists have ...

Researchers have documented killer whales working as a team to prey on whale sharks in the Gulf of California.

A new technique from an elite marine predator has emerged that challenges the dominance of the mighty whale sharks in the ...

There is no official record-keeping or database of the world's biggest freshwater fish. The Mekong is rich in biodiversity but overfishing, dams and pollution threaten its fragile ecosystem.

He and the MegaFishes Project plan to help. The world’s largest freshwater fish, many weighing more than 200 pounds, face the biggest threat. Working with a network of more than 100 scientists ...

Campaigners said Welsh waters now boast some of the biggest fish in the world and want a fishery established to attract international anglers. Mr Batey, from Sarn, Bridgend, landed the tuna while ...

Orcas are apex marine predators, found in all the oceans of the world. With their high levels of intelligence and cooperative ...

But at a little over six metres long, this fictional man-eating monster is small fry when compared to the world's largest shark. Sharks are a group of fish with skeletons made from cartilage instead ...

Off the coast of Mexico, an orca pod led by 50-year-old Moctezuma brutally goes after whale sharks (which aren't whales, by the way). Scientists are fascinated.

A new study has found that orcas, or killer whales, have learned how to hunt and kill the world’s largest fish species, whale ...

Orcas in the Gulf of California appear to have gained special skills to hunt and kill the world’s largest fish, according to ...