Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae

Abstract Transport of coral reef fish larvae is driven by advection in ocean currents and larval swimming. However, for swimming to be advantageous, larvae must use external stimuli as guides. One potential stimulus is “odor” emanating from settlement sites (e.g., coral reefs), signaling the upstrea...

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Autores principales:	Matthew A. Foretich, Claire B. Paris, Martin Grosell, John D. Stieglitz, Daniel D. Benetti
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/437644307bac4bcf8c9a72e95f90235e
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spelling	oai:doaj.org-article:437644307bac4bcf8c9a72e95f90235e2021-12-02T12:32:14ZDimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae10.1038/s41598-017-02675-32045-2322https://doaj.org/article/437644307bac4bcf8c9a72e95f90235e2017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02675-3https://doaj.org/toc/2045-2322Abstract Transport of coral reef fish larvae is driven by advection in ocean currents and larval swimming. However, for swimming to be advantageous, larvae must use external stimuli as guides. One potential stimulus is “odor” emanating from settlement sites (e.g., coral reefs), signaling the upstream location of desirable settlement habitat. However, specific chemicals used by fish larvae have not been identified. Dimethyl sulfide (DMS) is produced in large quantities at coral reefs and may be important in larval orientation. In this study, a choice-chamber (shuttle box) was used to assess preference of 28 pre-settlement stage larvae from reef fish species for seawater with DMS. Swimming behavior was examined by video-tracking of larval swimming patterns in control and DMS seawater. We found common responses to DMS across reef fish taxa - a preference for water with DMS and change in swimming behavior - reflecting a switch to “exploratory behavior”. An open water species displayed no response to DMS. Affinity for and swimming response to DMS would allow a fish larva to locate its source and enhance its ability to find settlement habitat. Moreover, it may help them locate prey accumulating in fronts, eddies, and thin layers, where DMS is also produced.Matthew A. ForetichClaire B. ParisMartin GrosellJohn D. StieglitzDaniel D. BenettiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Matthew A. Foretich Claire B. Paris Martin Grosell John D. Stieglitz Daniel D. Benetti Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae
description	Abstract Transport of coral reef fish larvae is driven by advection in ocean currents and larval swimming. However, for swimming to be advantageous, larvae must use external stimuli as guides. One potential stimulus is “odor” emanating from settlement sites (e.g., coral reefs), signaling the upstream location of desirable settlement habitat. However, specific chemicals used by fish larvae have not been identified. Dimethyl sulfide (DMS) is produced in large quantities at coral reefs and may be important in larval orientation. In this study, a choice-chamber (shuttle box) was used to assess preference of 28 pre-settlement stage larvae from reef fish species for seawater with DMS. Swimming behavior was examined by video-tracking of larval swimming patterns in control and DMS seawater. We found common responses to DMS across reef fish taxa - a preference for water with DMS and change in swimming behavior - reflecting a switch to “exploratory behavior”. An open water species displayed no response to DMS. Affinity for and swimming response to DMS would allow a fish larva to locate its source and enhance its ability to find settlement habitat. Moreover, it may help them locate prey accumulating in fronts, eddies, and thin layers, where DMS is also produced.
format	article
author	Matthew A. Foretich Claire B. Paris Martin Grosell John D. Stieglitz Daniel D. Benetti
author_facet	Matthew A. Foretich Claire B. Paris Martin Grosell John D. Stieglitz Daniel D. Benetti
author_sort	Matthew A. Foretich
title	Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae
title_short	Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae
title_full	Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae
title_fullStr	Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae
title_full_unstemmed	Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae
title_sort	dimethyl sulfide is a chemical attractant for reef fish larvae
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/437644307bac4bcf8c9a72e95f90235e
work_keys_str_mv	AT matthewaforetich dimethylsulfideisachemicalattractantforreeffishlarvae AT clairebparis dimethylsulfideisachemicalattractantforreeffishlarvae AT martingrosell dimethylsulfideisachemicalattractantforreeffishlarvae AT johndstieglitz dimethylsulfideisachemicalattractantforreeffishlarvae AT danieldbenetti dimethylsulfideisachemicalattractantforreeffishlarvae
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Dimethyl Sulfide is a Chemical Attractant for Reef Fish Larvae

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