American paddlefish are among the largest and longest-lived freshwater fishes in North America, the largest one on record weighing in at 164 pounds. Paddlefish have a long fossil record which dates their first appearance approximately to 125 million years
The mantidfly appears to be an odd combination of a praying mantis and a wasp, both of which are mortal enemies to each other. The mantidfly has the head and raptorial legs of a mantis but the thorax, wings and abdomen of a wasp.
Several years ago in Singapore, otters started inhabiting this river. Today, otter clans wage war over its territory.
Underwater rodeo: Octopus rides a moray eel like a bull as the eel twists and turns every which way to try to eat him