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May 17, 2026Aquatic Ecology0 citationsOpen Access

Ecological Factors Influencing Distribution of Pen-Shell Atrina Vexillum in Coral Lagoons

Depth and substrate shape the ecology of pen-shell Atrina vexillum in coral reef lagoons

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Authors

TGThomas GuttierezCGCamille GacheSPSerge Planes

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Overview

Randomized trial examines ecological factors affecting distribution and size in Atrina vexillum, suggesting conservation strategies for lagoons.

Key Points

  • This study aims to understand how depth and substrate influence the distribution and size of the pen shell Atrina vexillum in coral reef lagoons.
  • Conducted stratified underwater surveys recording over 2600 individuals
  • Measured shell width, depth, and substrate type
  • Performed habitat-use analyses and χ2 tests for settlement patterns
  • Shell width showed a weak positive association with depth (ρ = 0.26, p < 0.001)
  • Coral substrates were under-used, while sandy substrates were favored (p < 0.001)
  • Size distributions were mostly unimodal across islands with varied abundance.

Cite This Study

Guttierez et al. (2026) studied this question.

synapsesocial.com/papers/6a095c2c7880e6d24efe2394https://doi.org/10.1007/s10452-026-10291-5
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