Shark movements between islands in the Revillagigedo Archipelago and connectivity to other islands in the Eastern Tropical Pacific.
| Title: | Shark movements between islands in the Revillagigedo Archipelago and connectivity to other islands in the Eastern Tropical Pacific. |
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| Authors: | Lara-Lizardi F; Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, México.; Pelagios Kakunjá, La Paz, Baja California Sur, México.; MigraMar, Bodega Bay, California, United States of America.; Ketchum JT; Pelagios Kakunjá, La Paz, Baja California Sur, México.; MigraMar, Bodega Bay, California, United States of America.; Centro de Investigaciones Biológicas del Noroeste-CIBNOR, Km 1 Carretera a San Juan de La Costa, La Paz, Baja California Sur, México.; Hearn AR; MigraMar, Bodega Bay, California, United States of America.; Galapagos Science Center, Universidad San Francisco de Quito USFQ, Quito, Ecuador.; Klimley AP; MigraMar, Bodega Bay, California, United States of America.; Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, California, United States of America.; Galván-Magaña F; Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, México.; Antoniou A; Fins Attached Marine Research and Conservation, Colorado Springs, Colorado, United States of America.; Arauz R; MigraMar, Bodega Bay, California, United States of America.; Marine Watch International. San Francisco, California, United States of America.; Centro Rescate de Especies Marinas Amenazadas CREMA, San José, Costa Rica.; Bessudo S; MigraMar, Bodega Bay, California, United States of America.; Fundación Malpelo, Bogotá, Colombia.; Castro E; Centro Interdisciplinario en Ciencias Aplicadas de Baja California Sur, La Paz, Baja California Sur, México.; Chávez EJ; MigraMar, Bodega Bay, California, United States of America.; Centro Rescate de Especies Marinas Amenazadas CREMA, San José, Costa Rica.; Clua EEG; Paris Science et Lettre (PSL), Ecole Pratique des Hautes Etudes, Centre de Recherche Insulaire et Observatoire de l'Environnement, Perpignan, France.; Labex Corail, Centre de Recherche Insulaire et Observatoire de l'Environnement, Opunohu, Moorea, French Polynesia.; Espinoza E; MigraMar, Bodega Bay, California, United States of America.; Parque Nacional Galápagos, Isla Santa Cruz, Ecuador.; Fischer C; Ocearch, Park City, Utah, United States of America.; Peñaherrera-Palma C; MigraMar, Bodega Bay, California, United States of America.; Steiner T; MigraMar, Bodega Bay, California, United States of America.; Turtle Island Restoration Network, Olema, California, United States of America.; Hoyos-Padilla M; Pelagios Kakunjá, La Paz, Baja California Sur, México.; MigraMar, Bodega Bay, California, United States of America.; Fins Attached Marine Research and Conservation, Colorado Springs, Colorado, United States of America. |
| Source: | PloS one [PLoS One] 2026 Feb 18; Vol. 21 (2), pp. e0341840. Date of Electronic Publication: 2026 Feb 18 (Print Publication: 2026). |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: San Francisco, CA : Public Library of Science |
| MeSH Terms: | Sharks*/physiology ; Animal Migration*/physiology; Animals ; Islands ; Conservation of Natural Resources ; Pacific Ocean ; Telemetry |
| Abstract: | There is a need to understand the degree to which sharks move between islands in Marine Protected Areas (MPAs) of the Eastern Tropical Pacific (ETP). Exposure to fishing activities becomes significant when no-take zones do not cover the critical areas that sharks use. We analyzed an ultrasonic telemetry dataset to assess how Galapagos sharks (Carcharhinus galapagensis) and silky sharks (Carcharhinus falciformis) move between the islands that comprise the Revillagigedo Archipelago (RA) and how they migrate to other islands in the ETP. In total, 92 sharks of both species were tracked from January 2010 to December 2018 in the region. Particularly, 39 sharks were detected in the Revillagigedo Archipelago (RA). Of these, 27 were resident at one island (behavior type I), 10 moved between two or more islands within a MPA (type II), and 3 sharks moved between MPAs (behavior type III): a silky shark tagged at Roca Partida (RA) that moved to Clipperton Atoll (CA), another silky shark moved from Wolf, Galapagos Archipelago (GA) to CA and back again and a Galapagos shark tagged at Socorro Island (RA), detected at CA, and finally recorded in Darwin Island (GA). This excursion was one of the longest movements ever recorded for the species (3,160 km). The long-distance dispersal observed in these two species underscores the necessity for international collaboration. Such cooperation is essential to implement effective shark protection measures, including swimways or MigraVías, and other conservation tools in the ETP region.; (Copyright: © 2026 Lara-Lizardi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.) |
| Competing Interests: | NO authors have competing interests. |
| Entry Date(s): | Date Created: 20260218 Date Completed: 20260218 Latest Revision: 20260220 |
| Update Code: | 20260220 |
| PubMed Central ID: | PMC12915964 |
| DOI: | 10.1371/journal.pone.0341840 |
| PMID: | 41706750 |
| Database: | MEDLINE |
Journal Article