Overlapping Aggregations of Spotted Seatrout, Sand Seatrout, and Silver Perch

In reality, sounds come through the hydrophone (underwater microphone) not one by one or species by species, but as a mixed-up cacophony. To confirm their field observations, researchers replay and amplify the recordings in the lab to isolate and identify the various sound-producing species.

 

Read more about a research project on spawning activities of spotted seatrout, during which scientists recorded this and other underwater sounds.

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