effington: adapto: Scientists have discovered the first fully warm-blooded fish It’s one of the most basic biology facts we’re taught in school growing up: Birds and mammals are warm-blooded, while reptiles, amphibians and fish are cold-blooded.

effington: adapto: Scientists have discovered the first fully warm-blooded fish It’s one of the most basic biology facts we’re taught in school growing up: Birds and mammals are warm-blooded, while reptiles, amphibians and fish are cold-blooded.

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