{"id":117401,"date":"2023-09-13T11:00:04","date_gmt":"2023-09-13T16:00:04","guid":{"rendered":"http:\/\/news.olemiss.edu\/?p=117401"},"modified":"2023-09-13T13:20:24","modified_gmt":"2023-09-13T18:20:24","slug":"what-can-fish-sounds-tell-us-about-artificial-reefs","status":"publish","type":"post","link":"https:\/\/web20.olemiss.edu\/news\/wordpress\/what-can-fish-sounds-tell-us-about-artificial-reefs\/","title":{"rendered":"What Can Fish Sounds Tell Us About Artificial Reefs?"},"content":{"rendered":"
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UM doctoral student Kayleigh Mazariegos retrieves recording equipment from an artificial reef near Cat Island in the Gulf of Mexico. Mazariegos deployed the devices for a week to capture the sounds of fish and other creatures living around the reefs. Submitted photo<\/p><\/div>\n

OXFORD, Miss. \u2013 Grunts, purrs, barks and knocks \u2013 it may be surprising to learn that these noises can come from fish. Known as fish vocalizations, these sounds are the subject of a new study at the University of Mississippi<\/a> Department of Biology<\/a>.<\/p>\n

Kayleigh Mazariegos, a third-year doctoral student in biology, is leading a project to determine whether fish vocalizations can identify fish species. The Acworth, Georgia, native is focusing her research on artificial reefs in the Gulf of Mexico.<\/p>\n

“I’m interested in artificial reefs because I used to fish them,” Mazariegos said. “Research on artificial reefs is limited. While people are able to catch fish on them, we don’t know their ecological role. We don’t know if they help increase fish and their relationship with ecological processes.”<\/p>\n

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Kayleigh Mazariegos shows off some of the equipment she used to capture the sounds of underwater creatures in the Gulf of Mexico at the Mississippi Aquarium. Mazariegos partnered with the aquarium on the study, which aims to determine whether fish vocalizations can be used to identify various species. Submitted photo<\/p><\/div>\n

Mazariegos received funding from the American Museum of Natural History<\/a> and the university’s Center for Biodiversity and Conservation Research<\/a> to conduct this work.<\/p>\n

The research seeks to apply the principle of island biogeography to reefs, said Richard Buchholz, professor of biology and Mazariegos’ adviser. The theory examines why some islands have a certain number and diversification of species and others do not. However, specific challenges coincide with exploring this in the Gulf.<\/p>\n

“The problem with the Gulf of Mexico is that you can’t put cameras down there because the water is too turbid and cloudy,” said Buchholz, who is also CBCR director.<\/p>\n

“An alternative to catching is using acoustic sampling. It is a sophisticated method that has been used in animals like bats and birds for 10-15 years but hasn’t been widely used in aquatic habitats.”<\/p>\n

This summer, Mazariegos partnered with the Mississippi Aquarium<\/a> in Gulfport to record the sounds of various species. She then placed small recording devices \u2013 about the size of a GoPro \u2013 on 12 reefs off Cat Island, a Mississippi barrier island.<\/p>\n

Mazariegos is conducting a complex analysis of data from those weeklong recordings with help from the National Center for Physical Acoustics<\/a> at Ole Miss.<\/p>\n

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A nighttime recording<\/a> (top) from one of the artificial reefs features a chorus of sea trout and a call from a black drum (near the beginning). This recording was made at 1:25 a.m. in early August.
A daytime recording<\/a> (bottom) from one of the Cat Island reefs features sounds of shrimp snapping. This recording was made at shortly after noon in early August.<\/p><\/div>\n

“For some fish, you can get down to a specific family or genus, and others you can see that it’s this specific fish,” she said.<\/p>\n

Despite just beginning to learn how to analyze acoustic data, Mazariegos expects her preliminary data set to spawn results by December.<\/p>\n

An important element to the project is utilization of the GulfSeeLife app<\/a>. The UM-developed app<\/a>, funded via a RESTORE Act grant from the Mississippi Department of Environmental Quality, allows “citizen scientists” to record observations about plants and animals in the Gulf of Mexico.<\/p>\n

Mazariegos is using the community science feature of GulfSeeLife to collect fish capture data that can be compared to the diversity of fish identified through acoustic recordings on the reefs.<\/p>\n

The researcher said that her favorite aspect of the project is the noninvasive nature of this approach.<\/p>\n

“The usual way is capturing them or using cameras,” Mazariegos said. “You could miss a lot because there are a lot of species that are more cryptic \u2013 they may be scared away or too small to be caught on hook and line.<\/p>\n

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Kayleigh Mazariegos used small audio recorders, about the size of a GoPro, on 12 artificial reefs near Cat Island in the Gulf of Mexico. Submitted photo<\/p><\/div>\n

“With vocalizations, you don’t have to have an eye on them, and you can tell what’s there based on how they are behaving naturally. I think it’s a good idea to make these data more accessible and easier to collect.”<\/p>\n

The Gulf is still feeling the effects of the 2010 Deepwater Horizon oil spill, plus consequences from unprecedented warm waters and the influx of tourists to its beaches, Buchholz said. Mazariegos’ efforts to determine the role of artificial reefs could have important conservation implications in the face of those challenges, he said.<\/p>\n

“Artificial reefs could be constructed in a way that is helpful to biodiversity \u2013 to things that fish eat and even things that eat fishes,” Buchholz said. “If you can maintain that food web in the face of all those challenges to living things in the Gulf, then we can protect that biodiversity.”<\/p>\n

This research is supported by the Lerner-Gray Fund for Marine Research of the American Museum of Natural History.<\/p>\n","protected":false},"excerpt":{"rendered":"

OXFORD, Miss. \u2013 Grunts, purrs, barks and knocks \u2013 it may be surprising to learn that these noises can come from fish. Known as fish vocalizations, these sounds are the subject of a new study at the University of Mississippi Department of Biology. Kayleigh Mazariegos, a third-year doctoral student in biology, is leading a projectRead the story …<\/a><\/p>\n","protected":false},"author":21,"featured_media":117414,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[381,221,199,339],"tags":[],"yoast_head":"\nWhat Can Fish Sounds Tell Us About Artificial Reefs? - Ole Miss News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/news.olemiss.edu\/what-can-fish-sounds-tell-us-about-artificial-reefs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Can Fish Sounds Tell Us About Artificial Reefs? - Ole Miss News\" \/>\n<meta property=\"og:description\" content=\"OXFORD, Miss. \u2013 Grunts, purrs, barks and knocks \u2013 it may be surprising to learn that these noises can come from fish. 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