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    First warm-blooded fish discovered

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First warm-blooded fish discovered

NOAA scientists working off the west coast of the United States recently discovered the opah, or moonfish, is warm-blooded. It's the first fish known to be fully warm-blooded.

First warm-blooded fish discovered

NOAA scientists working off the west coast of the United States recently discovered the opah, or moonfish, is warm-blooded. It's the first fish known to be fully warm-blooded.