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60 – Second Science Talks Fish Noises in the Amazon


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Catfish screeches and pirhanna barks – while that may sound like the beginning of an awesome magical realist short story with a sprinkling of doom on top or the opening lyrics to a folk metal release you can actually hear these sounds on Scientific American!

Six years ago, the fish ecologist Rodney Rountree was on a skiff in the Peruvian Amazon. He was holding a piranha in his hand…underwater…in a river filled with other piranhas. Maybe, hungry ones.
“That thought crossed my mind a little bit. The water was essentially no visibility. So I did worry a little bit about that but there was no other way to do it.”
The job he needed to do? “Audition them, for sound production.” Because Rountree studies the sounds fish make. His nickname—and the name of his company: “The Fish Listener.”

Read (and hear) more


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