The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite being one of the most studied fish in history, it continues to reveal new ...

University of Washington scientists have made a remarkable discovery: real teeth growing on the forehead of a deep-sea ratfish. This finding sheds light on the unique adaptations in fish anatomy, ...

To compare and classify a "living fossil," the coelacanth, in relation to a moray eel and a bull shark. Review with students the meaning of the phrase "living fossil" (an organism with a basic body ...

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 ...

When an Australian scientist uncovered an ancient-looking placoderm skull in the 1960s, he thought he'd cracked the code on an evolutionary mystery. This so-called 'platypus fish,' scientists had ...

A new study of vertebrate evolution reveals that we have more in common with spooky-looking fish called lampreys than we thought. When you purchase through links on our site, we may earn an affiliate ...

Don't miss the big stories. Like us on Facebook. 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, ...