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

Stein Kaartvedt, Karl I. Ugland, Jan Heuschele, Ingrid Solberg

Research output: Contribution to journalArticlepeer-review

Abstract

AbstractPrevious 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.
Original languageEnglish (US)
JournalScientific Reports
Volume11
Issue number1
DOIs
StatePublished - Jun 23 2021
Externally publishedYes

ASJC Scopus subject areas

  • General

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