Coordinated gas release among the physostomous fish sprat (Sprattus sprattus)

Previous experimental studies suggest that the production of sound associated with expelling gas from an open swimbladder may play a role in communication. This would suggest non-random gas release. We used deployed echosounders to study patterns of gas release among a fjord population of sprat ( Sp...

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Bibliographic Details
Published in:Scientific reports 2021-06, Vol.11 (1), p.13145-13145, Article 13145
Main Authors: Kaartvedt, Stein, Ugland, Karl I., Heuschele, Jan, Solberg, Ingrid
Format: Article
Language:English
Subjects:
631/158
631/158/856
Echosounders
Fjords
Humanities and Social Sciences
multidisciplinary
Odors
Science
Science (multidisciplinary)
Sprattus sprattus
Swim bladder
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Summary:Previous experimental studies suggest that the production of sound associated with expelling gas from an open swimbladder may play a role in communication. This would suggest non-random gas release. We used deployed echosounders to study patterns of gas release among a fjord population of sprat ( Sprattus sprattus ). The echosounder records concurrently revealed individual fish and their release of gas. The gas release primarily occurred at night, partly following recurrent temporal patterns, but also varying between nights. In testing for non-randomness, we formulated a data-driven simulation approach. Non-random gas release scaled with the length of the analyzed time intervals from 1 min to 6 h, and above 30 min the release events in more than 50% of the intervals were significantly connected.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-92585-2