Approaches to Estimating Field Metabolic Rates in Fishes: Biologging and Otolith Carbon Stable Isotope Analysis

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This research aims to understand energy expenditure in fish and the effects of climate change on their metabolism.
Utilized biologging to track metabolic rates in marine fish.
Applied isotopic analysis of otoliths to estimate historical metabolic data.
Discussed varying time resolutions and uncertainties between methods.
Biologging effectively measures real-time metabolic rates, providing high temporal resolution data.
Stable isotope analysis offers insights into long-term metabolic trends, although with more uncertainty.
Integration of metabolic data with environmental variables enhances understanding of fish physiological responses to climate change.

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Explores two methods for estimating fish metabolic rates, highlighting their importance for understanding climate change impacts.

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Abe et al. (2026) studied this question.

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