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Coelacanth (Latimeria chalumnae) is a species of fish that first appeared approximately 400 million years ago and has survived to the present day with minimal morphological changes since prehistoric times. For a long time, it was known only through fossil records and believed to be extinct, until a live specimen was discovered off the coast of South Africa in 1938. This discovery caused great surprise and interest in the scientific community. It sparked debates in the fields of evolutionary biol