Fish farts give clues to what’s going on down there
May 30, 2016
This is Fish Radio. I’m Laine Welch — Fish farts gives clues to where they are and what they’re doing. More after this –
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Researchers are hoping to better understand fish distributions by recording the sounds they make.
Many fish make identifiable sounds, and it offers potential for research and management. The most recent sound discovered – fish farts! According to ScienceShot, a service of the American Association for the Advancement of Science, a team from the University of South Florida picked up the barely audible, cricket-like noises using a robot called a glider that sampled ocean sounds in Tampa Bay.
The sounds lasted throughout the day and night, and were most likely groups of menhaden and herring releasing gas from their swim bladders.. .Of the 30-thousand fish species in the world oceans, researchers believe fewer than one thousand have been recorded. They know that the tiny cusk eel can sound like a jackhammer. And for years the mating calls of cod fish have wreaked havoc for the Norwegian navy- because the love sounds are similar to enemy submarines. Here’s the mating call of black drum –
And here is another disturber of the peace – a midshipman fish guarding its nest.
By mapping these sounds, the researchers hope to get a better picture of species distributions and likely spawning areas. … Scientists believe the underwater sound scape can tell a lot about what’s out there – and what they are doing.
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Fish Radio is also brought to you by Ocean Beauty Seafoods. Ocean Beauty has contributed over 10 million meals to the U.S. Food Bank network, and is committed to ending hunger in America. www.oceanbeauty.com In Kodiak, I’m Laine Welch.