The secret meal of Antarctic mesopelagic fish (Myctophidae: Electrona) revealed by multimarker metabarcoding The secret meal of Antarctic myctophids

Ruiz, Micaela Belen; Saunders, Ryan A. ORCID: https://orcid.org/0000-0002-1157-7222; Tarling, Geraint A. ORCID: https://orcid.org/0000-0002-3753-5899; Murray, Ayla; Leese, Florian; Havermans, Charlotte. 2024 The secret meal of Antarctic mesopelagic fish (Myctophidae: Electrona) revealed by multimarker metabarcoding The secret meal of Antarctic myctophids. Frontiers in Marine Science, 11, 1474424. 14, pp. 10.3389/fmars.2024.1474424

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Abstract/Summary

Introduction: In the Southern Ocean, myctophids are the most successful pelagic fish group in terms of diversity, biomass, and abundance. They play a crucial role in linking primary consumers and coupling carbon flux between surface and mesopelagic depths. Understanding their trophodynamics is key to assessing pelagic ecosystem resilience under environmental change. Conventional stomach content analyses indicate that myctophids predominantly feed on crustaceans, such as copepods and euphausiids, but are less effective at detecting easily digestible, soft-bodied organisms like gelatinous zooplankton (GZP) and pteropods.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.3389/fmars.2024.1474424
ISSN:	2296-7745
Additional Keywords:	eDNA, salps, soft-bodied prey, Southern Ocean, Stomach content, Trophodynamics
Date made live:	28 Oct 2024 12:32 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/538301

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