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 ...

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 ...

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, ...

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 ...