Jeremy "J.J." Cooper caught a fish with humanlike teeth in the Conococheague Creek on Thursday. Fish ID'd as closely related species to piranha.

A species of legged fish uses taste receptors to search for hidden prey, providing an ideal window for scientists to study ...

Perhaps nowhere is that connection more tangible than at the New England Aquarium on Boston's historic Central Wharf, built ...

At the end of August, this strange fish was caught by an angler at Lake Meredith in Sanford, Texas. Apparently, the fish was ...

When the researchers took a closer look, they saw that the legs of these digging fish were covered in sensory bumps called ...

Australian lungfish are known to be ultra-survivors, but this lungfish is pushing the boundaries even for its own kind. At ...

This fish has legs — but they’re not just for walking. Scientists have found that the northern sea robin ( Prionotus carolinus) uses its limbs both to stroll the ocean bottom and to taste the sea ...

The type of fish also varied, with the octopuses hunting with species such as blacktip groupers and goatfish. And while the ...

Filled with live plants, substrates, and glimmering schools of fish, a perfectly curated aquarium is an awe-inspiring art form. But the best aquarium pets that aren’t fish prove that our finned ...

Sea robins are unusual animals with the body of a fish, wings of a bird, and walking legs of a crab. Now, researchers show that the legs of the sea robin aren't just used for walking. In fact, they ...

Blake Stevens has been a fish fanatic since he first began keeping pet fish at the age of 5. He became a part of the organized hobby of fish keeping around the age of 12, and at one point served as ...

When octopuses and fish hunt in groups in the Red Sea, the leadership roles are more dynamic than researchers knew — as are some ways the animals enforce cooperation.