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Ontogenetic Plastic...
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Berio, Fidji,1992-Stockholms universitet,Zoologiska institutionen
(author)
Ontogenetic Plasticity in Shoaling Behavior in a Forage Fish under Warming
- Article/chapterEnglish2023
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LIBRIS-ID:oai:DiVA.org:su-229633
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-229633URI
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https://doi.org/10.1093/icb/icad043DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Shoaling behavior is known to increase survival rates during attacks from predators, minimize foraging time, favor mating, and potentially increase locomotor efficiency. The onset of shoaling typically occurs during the larval phase, but it is unclear how it may improve across ontogenetic stages in forage fishes. Warming is known to increase metabolic rates during locomotion in solitary fish, and shoaling species may adjust their collective behavior to offset the elevated costs of swimming at higher temperatures. In this study, we quantified the effects of warming on shoaling performance across the ontogeny of a small forage fish, zebrafish (Danio rerio) at different speeds. Shoals of larval, juvenile, and adult zebrafish were acclimated at two temperatures (28°C and 32°C), and metabolic rates were quantified prior to and following nonexhaustive exercise at high speed. Shoals of five individuals were filmed in a flow tank to analyze the kinematics of collective movement. We found that zebrafish improve shoaling swimming performance from larvae to juveniles to adults. In particular, shoals become more cohesive, and both tail beat frequency (TBF) and head-to-tail amplitude decrease with ontogeny. Early life stages have higher thermal sensitivity in metabolic rates and TBF especially at high speeds, when compared to adults. Our study shows that shoaling behavior and thermal sensitivity improve as zebrafish shift from larval to juvenile to adult stages.
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Morerod, Camille,1998-Stockholms universitet,Zoologiska institutionen(Swepub:su)camo8324
(author)
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Qi, Xuewei,1990-Stockholms universitet,Zoologiska institutionen(Swepub:su)xuqi6349
(author)
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Di Santo, Valentina,1982-Stockholms universitet,Zoologiska institutionen(Swepub:su)vadi8444
(author)
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Stockholms universitetZoologiska institutionen
(creator_code:org_t)
Related titles
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In:Integrative and Comparative Biology63:3, s. 730-7411540-70631557-7023
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