The roughness comes from tiny, tooth-like spikes called denticles, which provide the coelacanth with protection against rocks and predators. The scales are a steely blue-gray in color and bear ...

Coelacanths are difficult to classify ... A rounded tail, like that of the angelfish, enables quick bursts of speed to escape predators. Fins: Help a fish move. The top fins are called dorsal ...

Though she didn't know it straightaway, Courtenay-Latimer had rediscovered the coelacanth, which was assumed to have died out at the end of the Cretaceous period but somehow outlasted many of its ...