The coelacanth is a fish that was once thought to have gone extinct 65 million years ago. But a South African woman discovered it in 1938. The animal might be a link in the evolution from fish to land animals. The most interesting characteristic is its paired lobe fins that extend away from its body and move in an alternating pattern, representing what would later be the legs of the amphibians and reptiles.
Watch the NOVA episode on the coelacanth, entitled "Ancient Creature of the Deep":
part 1
part 2
part 3
part 4
part 5
part 6
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