For decades, the coelacanthexisted only in fossil records—until one turned up in a South African fishing net. It was 1938 ...

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 ...

Making up for the world's disappointment that there wasn't a prehistoric creature living in a Scottish loch was the South African discovery of a strange, steel blue fish with limb-like fins. The fish ...