Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

Large prehistoric marine reptiles known as mosasaurs dominated the oceans until their extinction 66 million years ago.

A recent feature by Animals Around The Globe spotlights a stunning lineup of the largest and most dangerous predators ever discovered in freshwater habitats. From massive snakes and crocodiles to ...

Mosasaurs were enormous reptiles best known for ruling ancient oceans more than 66 million years ago, but new evidence suggests some also lived in rivers. Scientists reached this conclusion after ...

A new pattern in shark behavior has experts sounding the alarm, and it may have everything to do with an overheating planet. Bull sharks are known to be able to swim between saltwater and freshwater, ...

Sometime in April, a friend alerted me to some odd ball-shaped structures attached to a spruce log in Auke Lake. These are bryozoans, a type of minuscule aquatic animals. They constitute their own ...

Alaska's pristine waterways have long been a sanctuary for native fish — but now, an unexpected threat lurks in these waters, silently disrupting the balance that has existed for generations, reported ...

Piranhas are some of the most notorious freshwater fish species worldwide. They are well known for their keen and triangular ...

From saber-toothed synapsids to global collapse, the forgotten predators of the Permian ruled a world on the brink of ...

Daphnia, a keystone group of freshwater crustaceans, exhibit a remarkable degree of phenotypic plasticity when exposed to predation risk. These adaptive responses include morphological modifications, ...