Scientists in Australia have uncovered an exceptional fossil—a 15-million-year-old freshwater fish—that provides new insights ...

Alligator gar are a bizarre freshwater fish. Typically described as prehistoric due to the fact they have changed so little over millennia, they are one of largest freshwater fish in North America.

A Miocene fish fossil with soft tissue and intact pigmentation has been discovered in New South Wales, revealing prehistoric ...

Researchers have discovered a new species of ancient fish with hooked front fangs that made them a fearsome and effective ...

A new species of small freshwater fish was discovered in iron-rich rock in southeastern Australia. Its stomach contents was also preserved ...

A new species of small freshwater fish was discovered in iron-rich rock in southeastern Australia. Its stomach contents was also preserved ...

A new species of small freshwater fish was discovered in iron-rich rock in southeastern Australia. Its stomach contents was also preserved ...

A new species of small freshwater fish was discovered in iron-rich rock in southeastern Australia. Its stomach contents was also preserved ...

This prehistoric fish is a true freshwater behemoth that's been known to surpass 19 feet in historical records, although modern specimens are usually 9 to 13 feet long and weigh over 882 pounds.

An angler may have broken a world record after reeling in a massive prehistoric-looking fish. Art Weston, a Kentucky resident, went to Lake Livingston, Texas, to catch an alligator gar with the ...