ArticleEvolutionary applications2021
Density influences the heritability and genetic correlations of fish behaviour under trawling-associated selection.
Article in Evolutionary applications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 12 citations in OpenAlex.
- Further integrating social context into comparative and environmental physiology.The Journal of experimental biology · 2026Review
- No evidence of evolutionary impact from size-selective harvesting on epigenetic and reproductive molecular markers in zebrafish (Danio rerio) gonads.Journal of fish biology · 2025Article
- Evolutionary relationships between metabolism and behaviour require genetic correlations.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Review
- Size-selective mortality fosters ontogenetic changes in collective risk-taking behaviour in zebrafish, Danio rerio.Oecologia · 2022Article
- Density influences the heritability and genetic correlations of fish behaviour under trawling-associated selection.Evolutionary applications · 2021Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fishing-associated selection is one of the most important human-induced evolutionary pressures for natural populations. However, it is unclear whether fishing leads to heritable phenotypic changes in the targeted populations, as the heritability and genetic correlations of traits potentially under selection have received little attention. In addition, phenotypic changes could arise from fishing-associated environmental effects, such as reductions in population density. Using fish reared at baseline and reduced group density and repeatedly harvested by simulated trawling, we show that trawling can induce direct selection on fish social behaviour. As sociability has significant heritability and is also genetically correlated with activity and exploration, trawling has the potential to induce both direct selection and indirect selection on a variety of fish behaviours, potentially leading to evolution over time. However, while trawling selection was consistent between density conditions, the heritability and genetic correlations of behaviours changed according to the population density. Fishing-associated environmental effects can thus modify the evolutionary potential of fish behaviour, revealing the need to use a more integrative approach to address the evolutionary consequences of fishing.
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