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<p>Atlantic tarpon, <i>Megalops atlanticus</i>, is an ecologically and economically important fish species that requires greater management and conservation attention. Considering the lack of scientific information on the complex life cycle of Atlantic tarpon, particularly in Cuba, it is imperative to better understand the habitat use and requirements across life stages. This study assessed the occurrence and movement patterns of juvenile Atlantic tarpon and relevant abiotic characteristics at the westernmost mangrove-seagrass bed system in Cuba. Passive fixed station acoustic telemetry was used to monitor the movement of 13 juvenile Atlantic tarpon (mean fork length: 556&#xa0;mm, ranging 400–795&#xa0;mm) for 25&#xa0;months. A total of 32,225 detections from 11 tagged individuals occurred among 9 out of 12 acoustic stations. Dependent on individual size, we observed differing levels of site fidelity, residency, daily movement, and putative trajectories. This area serves as an important interconnected habitat mosaic for juvenile Atlantic tarpon and highlights the environmental stability for the species amid a suite of different conditions, such as microclimatic influence, availability of refuge, or potential resting and foraging sites. In conjunction with other efforts within Cuba, these results will help inform the development of improved management and conservation strategies for Atlantic tarpon and their habitats, with implications for the Greater Caribbean.</p>

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Occurrence and movement patterns of juvenile Atlantic tarpon (Megalops atlanticus) in the Península de Guanahacabibes Biosphere Reserve, Cuba

  • 期刊论文

  • 发表日期：

    2025年7月3日

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  • Zenaida María Navarro-Martínez,
  • Dorka Cobián-Rojas,
  • Lucas P. Griffin,
  • Alejandro Camejo-Vergara,
  • Aaron J. Adams,
  • Andy J. Danylchuk,
  • Jorge Angulo-Valdés

摘要

Atlantic tarpon, Megalops atlanticus, is an ecologically and economically important fish species that requires greater management and conservation attention. Considering the lack of scientific information on the complex life cycle of Atlantic tarpon, particularly in Cuba, it is imperative to better understand the habitat use and requirements across life stages. This study assessed the occurrence and movement patterns of juvenile Atlantic tarpon and relevant abiotic characteristics at the westernmost mangrove-seagrass bed system in Cuba. Passive fixed station acoustic telemetry was used to monitor the movement of 13 juvenile Atlantic tarpon (mean fork length: 556 mm, ranging 400–795 mm) for 25 months. A total of 32,225 detections from 11 tagged individuals occurred among 9 out of 12 acoustic stations. Dependent on individual size, we observed differing levels of site fidelity, residency, daily movement, and putative trajectories. This area serves as an important interconnected habitat mosaic for juvenile Atlantic tarpon and highlights the environmental stability for the species amid a suite of different conditions, such as microclimatic influence, availability of refuge, or potential resting and foraging sites. In conjunction with other efforts within Cuba, these results will help inform the development of improved management and conservation strategies for Atlantic tarpon and their habitats, with implications for the Greater Caribbean.