The Conversation

Revealed: the world's first warm-blooded fish – and we've been eating it for years

Author: The Conversation

Catching a chill.NOAA Fisheries, CC BY-NC-ND

The opah, or moonfish, a large colourful fish living across the world’s oceans, has been found to have a warm heart and maintain a high body temperature, according to a report in the journal Science. It’s a zoological curiosity and a remarkable evolutionary development for fish.

In the cold...

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