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 ...
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 ...
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.
Orcas’ physiology should hamper their ability to catch whale sharks. “They have lungs,” says Pancaldi. The whale shark, with gills, can do infinite lurks and dive 2,000 meters deep, while its mammal ...