ArticleScientific reports2019
Exploitation may influence the climate resilience of fish populations through removing high performance metabolic phenotypes.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Conspecific Scaffold-Level Genome Assembly Outperforms Heterospecific Chromosome-Level Assemblies for Assessing Genetic Indicators in a Threatened Marine Fish.Evolutionary applications · 2026Article
- Phenotypic divergence of sand flathead (Conservation physiology · 2026Article
- Assessing individual physiological variability and future performance phenotypes is essential for predicting the resilience of fish populations to anthropogenic climate change.Conservation physiology · 2025Article
- Silver carp experience metabolic and behavioral changes when exposed to water from the Chicago Area Waterway.Scientific reports · 2024Article
- Article
- Freshwater protected areas can preserve high-performance phenotypes in populations of a popular sportfish.Conservation physiology · 2023Article
- Ocean warming favours a northernConservation physiology · 2023Article
- Spatial and temporal genetic variation in an exploited reef fish: The effects of exploitation on cohort genetic structure.Evolutionary applications · 2021Article
- The battle between harvest and natural selection creates small and shy fish.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Physiological mechanisms linking cold acclimation and the poleward distribution limit of a range-extending marine fish.Conservation physiology · 2020Article
- Different drivers, common mechanism; the distribution of a reef fish is restricted by local-scale oxygen and temperature constraints on aerobic metabolism.Conservation physiology · 2020Article
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Authors and funding
4 authors.
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Abstract
Physiological rates and processes underpin the relationships between ectothermic organisms, such as fish, and their environment. The response and persistence of fish populations in an increasingly variable ocean is dependent on the distribution and diversity of physiological phenotypes. Growing evidence suggests that fisheries exploitation can selectively target certain physiological and behavioural phenotypes, which may shift exploited populations to altered physiological states. Here we test if commercial fisheries have the potential to do this in a "natural laboratory" along the South African coast. We compare metabolic traits of exploited and protected populations of the fish species, Chrysoblephus laticeps, which is a major component of the South African hook and line fishery. We find that high-performance aerobic scope phenotypes are reduced in the fished population. The most likely mechanism for this finding is a positive relationship between aerobic scope and capture vulnerability in passive-gear fisheries. Our results further highlight the selective nature of capture-fisheries and suggest that exploitation has the capacity to alter climate responses of fish populations on a physiological level. Our finding also implicates how Marine Protected Areas, through harbouring individuals with a greater diversity of physiological traits, may provide greater fish response diversity to environmental variability.
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