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March 18, 2026Open Access

Body size changes of marine ectotherms as a response to climate warming

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Authors

PNPaulina Nätscher

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Overview

This analysis shows body size decreases in marine ectotherms due to climate stressors, indicating lasting impacts across ages.

Key Points

  • To investigate how climate-related stressors affect the body size of marine ectotherms across different geological periods.
  • Analyzed a dataset comparing fossil, historical, and modern body size studies.
  • Assessed body size patterns in ostracod and belemnite species during past extinction events.
  • Employed 3D geometric morphometrics to examine morphological changes in belemnites.
  • Marine ectotherms consistently show decreased body sizes post-environmental crises.
  • Species turnover is significant during extinction events, with some post-extinction assemblages showing larger body sizes.
  • Morphological changes in juvenile belemnites suggest responses to historical climate events resemble those of modern species.

Cite This Study

Paulina Nätscher (2025) studied this question.

synapsesocial.com/papers/69ba43384e9516ffd37a4482https://doi.org/10.25593/open-fau-1613
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Unique fingerprint of marine ectotherm body size change during hyperthermal crises2025 · 2 citations
  2. 2Unique fingerprint of marine ectotherm body size change during hyperthermal crises2026
  3. 3An unpredictable body size response to the Permo-Triassic climate crisis2026 · 1 citations
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  5. 5An unpredictable body size response to the Permo-Triassic climate crisis2026