Movement and Conservation of Large Marine Fauna

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Biology and Ecology".

Deadline for manuscript submissions: 10 March 2025 | Viewed by 1156

Special Issue Editors


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Guest Editor
Centre for Functional Ecology—Science for People and the Planet, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
Interests: spatial ecology; marine protected areas; biotelemetry; biologging; elasmobranchs; conservation

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Guest Editor
1. Institute of Marine Sciences–OKEANOS, University of the Azores, Horta, Portugal
2. Instituto do Mar–IMAR, University of the Azores, 9900-140 Horta, Portugal
Interests: ecological modeling; species distribution; biotelemetry; biologging; movement ecology; spatial ecology; teleost; elasmobranch

Special Issue Information

Dear Colleagues,

Marine ecosystems confront a multitude of human-induced challenges, spanning overfishing, habitat degradation, pollution and climate change, resulting in declining species abundance and compromised ecosystem services. Global-scale exploitation of the high seas, facilitated by technological advances, imperils ecologically significant species, demanding urgent action for marine resource conservation and the achievement of UN Sustainable Development Goals.

Addressing this imperative entails a nuanced understanding of marine species' habitat use and biological functions; nevertheless, a comprehensive spatial understanding of these processes remains elusive. To advance conservation-focused marine spatial planning, we must unravel the complexities of marine species' movements and habitat preferences through targeted research.

This Special Issue embarks on a scientific odyssey into the movement ecology of large marine species. By deciphering intrinsic and extrinsic factors influencing their behaviors, our collective mission is to expand scientific knowledge on this area, providing a rich tapestry of insights and evidence-based guidelines for effective marine conservation. Join us in this dynamic pursuit toward a sustainable future for our oceans.

Dr. André Sucena Afonso
Dr. Bruno Macena
Guest Editors

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Keywords

  • anthropogenic pressure
  • habitat use
  • home range
  • marine megafauna
  • marine protected areas
  • migrations
  • movements
  • philopatry
  • spatial ecology
  • site fidelity

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Published Papers (1 paper)

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Research

21 pages, 9645 KiB  
Article
Staying Close to Home: Horizontal Movements of Satellite-Tracked Reef Manta Rays Mobula alfredi (Krefft, 1868) in the World’s Largest Manta Sanctuary
by Edy Setyawan, Abraham B. Sianipar, Ronald Mambrasar, Muhamad Izuan, Abdy W. Hasan, Fahmi, Mujiyanto, Orgenes Ambafen, Imanuel Mofu, Mochamad Iqbal Herwata Putra and Mark V. Erdmann
Fishes 2025, 10(2), 66; https://doi.org/10.3390/fishes10020066 - 5 Feb 2025
Viewed by 708
Abstract
Indonesia is home to significant populations of globally vulnerable reef manta rays (Mobula alfredi) in at least four key regions: Berau, Nusa Penida, Komodo, and Raja Ampat. Despite detailed population studies in each of these regions, little is known about their [...] Read more.
Indonesia is home to significant populations of globally vulnerable reef manta rays (Mobula alfredi) in at least four key regions: Berau, Nusa Penida, Komodo, and Raja Ampat. Despite detailed population studies in each of these regions, little is known about their horizontal movement patterns. Our study used satellite telemetry to investigate reef manta rays’ habitat use and home ranges. A total of 33 manta rays were tagged with SPLASH10F-321A satellite tags across the four regions: Berau (n = 5), Nusa Penida (n = 8), Komodo (n = 6), and Raja Ampat (n = 14), yielding usable data from 25 tags. The rays were tracked for 7 to 118 days (mean ± SD = 50 ± 30) from July 2014 to July 2022. The results showed localized movements, strong residency near tagging sites, and high site fidelity as evidenced by area-restricted search (ARS) behaviors and frequent revisitations. Most manta rays showed restricted home ranges in each region, with no connectivity between regions. Across 25 individuals, the home range (95% utilization distributions) varied significantly, ranging from 19 to 48,294 km2 (mean ± SD = 4667 ± 10,354). These findings offer important insights into the spatial movement patterns of reef manta rays in Indonesia, allowing the formulation of more effective management strategies. Full article
(This article belongs to the Special Issue Movement and Conservation of Large Marine Fauna)
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