Fish farting may not just be hot air

That’s the title of this article in New Scientist:

Biologists have linked a mysterious, underwater farting sound to bubbles coming out of a herring’s anus. …

“Surprising and interesting” is how aquatic acoustic specialist Dennis Higgs, of the University of Windsor in Ontario, describes the discovery. It is the first case of a fish potentially using high frequency for communication, he believes.

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