A new study has rewritten a key chapter in the story of vertebrate evolution. Researchers from the University of São Paulo ...

The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite ...

Researchers have discovered a new species of ancient fish with hooked front fangs that made them a fearsome and effective predator. A paper published in the Journal of Vertebrate Paleontology this ...

Their mouths alone often give a clue as to where in the water column they feed. A fish can have three different locations for its mouth: It can be terminal (located at the end of the head), inferior ...

Their mouths alone often give a clue as to where in the water column they feed. A fish can have three different locations for its mouth: it can be terminal (located at the end of the head), inferior ...

The river roars in the heat of the summer. The water is clear and cool, and a respite from the high sun. An angler leans back, fly-fishing rod in hand, and casts it forward. The fly drops and sinks ...