Learning about fish sounds will help scientists understand, preserve and restore habitat drowned by noise from ships and boats
Fish, it turns out, are a chatty lot. They communicate about everything from what area of the sea has the best food to where predators might be hiding and, of course, their desire for a mate.
"It's a data set that hasn't really existed before. Whereas there's lots of projects out there that are working with killer whale noises … right whale noises," she said. "Fish is one that's understudied." "The remote sensing of active and passive fish sounds through passive acoustic monitoring presents the opportunity to answer numerous questions related to ecology, evolution, and management in marine, brackish, and freshwater environments," the study said.
While diving to research fish sounds in Belize, he said he could hear fish munching coral and seagrass near a reef. The plainfin midshipman, a species of fish found in the eastern Pacific Ocean, lives most of its life in the depths but comes up into the intertidal zone to breed, with males building nests for females to lay eggs. The males produce a distinct hum to attract a mate, Cox said.
Passive sounds are those made incidentally as they go about their day-to-day life, like chewing or digging.
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