ArticleConservation physiology2014
Body condition predicts energy stores in apex predatory sharks.
Article in Conservation physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Greenland sharks conform to expectations of neutral buoyancy but exhibit inter-individual variation.The Journal of experimental biology · 2026Article
- Which factors can influence budgerigars' feeding behavior under predation risk: individual and/or social factors?Current zoology · 2026Article
- Article
- Ontogenetic shifts in morphology and ecology of eastern Pacific white sharks revealed by computer vision.PloS one · 2026Article
- Linking physiological state to movement dynamics in an open ocean predator, the blue shark (Prionace glauca).PloS one · 2026Article
- Standardized protocols for blood collection and analysis in elasmobranchs: a practical guide for clinicians and researchers.Frontiers in veterinary science · 2025Article
- Hematology and Plasma Biochemistry in Whale Sharks (Zoological studies · 2025Article
- Allometric Growth and Scaling of Body Form of the Spadenose Shark (Ecology and evolution · 2024Article
- Article
- The role of context in elucidating drivers of animal movement.Ecology and evolution · 2022Review
- Hematology and Plasma Chemistry Reference Values in Nursehound Shark (Frontiers in veterinary science · 2022Article
- Physiological Impairment as a Result of Bile Accumulation in an Apex Predator, the Tiger Shark (Animals : an open access journal from MDPI · 2020Article
- Same species, different prerequisites: investigating body condition and foraging success in young reef sharks between an atoll and an island system.Scientific reports · 2019Article
- Review
- Energy metabolism in mobile, wild-sampled sharks inferred by plasma lipids.Conservation physiology · 2017Article
- Article
- Understanding the individual to implement the ecosystem approach to fisheries management.Conservation physiology · 2016Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Animal condition typically reflects the accumulation of energy stores (e.g. fatty acids), which can influence an individual's decision to undertake challenging life-history events, such as migration and reproduction. Accordingly, researchers often use measures of animal body size and/or weight as an index of condition. However, values of condition, such as fatty acid levels, may not always reflect the physiological state of animals accurately. While the relationships between condition indices and energy stores have been explored in some species (e.g. birds), they have yet to be examined in top predatory fishes, which often undertake extensive and energetically expensive migrations. We used an apex predatory shark (Galeocerdo cuvier, the tiger shark) as a model species to evaluate the relationship between triglycerides (energy metabolite) and a metric of overall body condition. We captured, blood sampled, measured and released 28 sharks (size range 125-303 cm pre-caudal length). In the laboratory, we assayed each plasma sample for triglyceride values. We detected a positive and significant relationship between condition and triglyceride values (P < 0.02). This result may have conservation implications if the largest and highest-condition sharks are exploited in fisheries, because these individuals are likely to have the highest potential for successful reproduction. Our results suggest that researchers may use either plasma triglyceride values or an appropriate measure of body condition for assessing health in large sharks.
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