In most creatures with backbones, vertebrae replace the notochord in the embryonic stage of development. But the coelacanth has no fully formed vertebrae, and so the notochord provides its ...

Coelacanths are difficult to classify. They have many characteristics in common with sharks, and yet in certain characteristics they more closely resemble other types of fish. In this activity ...

The coelacanth as a species even predates ancient landscapes around the world, like the Colorado Sawatch Range, which comes ...