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Restricted movement range of European eels (Anguilla anguilla L.) in an oceanic island stream.

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Τίτλος: Restricted movement range of European eels (Anguilla anguilla L.) in an oceanic island stream.
Συγγραφείς: Verhelst P; Research Institute for Nature and Forest, Brussels, Belgium., Priester CR; Institute of Marine Sciences, University of the Azores, Horta, Portugal., Brys R; Research Institute for Nature and Forest, Geraardsbergen, Belgium., Reubens J; Flanders Marine Institute, Ostend, Belgium., Afonso P; Institute of Marine Sciences, University of the Azores, Horta, Portugal.; Institute of Marine Research, Horta, Portugal.
Πηγή: Journal of fish biology [J Fish Biol] 2026 Jun; Vol. 108 (6), pp. 2182-2189. Date of Electronic Publication: 2026 Feb 06.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 0214055 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8649 (Electronic) Linking ISSN: 00221112 NLM ISO Abbreviation: J Fish Biol Subsets: MEDLINE
Imprint Name(s): Publication: 2003- : Oxford, UK : Blackwell Publishing
Original Publication: London, New York, Published for the Fisheries Society of the British Isles by Academic Press.
Ιατρικοί όροι (MeSH): Anguilla*/physiology , Animal Migration*, Animals ; Rivers ; Telemetry ; Azores ; Ecosystem ; Islands ; Seasons
Περίληψη: Research on the critically endangered European eel (Anguilla anguilla L.) has long been focused on the continental part of the species' wide distribution. Comparatively, we know very little about its ecology in the small stream habitats of the oceanic Macaronesian islands and whether it differs from that of continental estuaries, rivers and lakes. We used acoustic telemetry to investigate the movements of 36 yellow-staged eels for 1 year at a typical Azorean stream, with small pools below waterfalls interchanged by riffles and runs. Tagged eels had a restricted movement range and mostly stayed in a given pool. Such limited movements render this part of the population particularly susceptible to changes in the stream, which can seasonally run dry at some parts. These findings likely reflect the extreme habitat limitation in Azorean streams, and possibly an evolutionary adaptation to ensure growth under limited food supply and high competitive pressure. These specificities should be taken into account in future management plans for the European eel and its Azorean habitats.
(© 2026 Fisheries Society of the British Isles.)
References: J Fish Biol. 2021 Sep;99(3):1110-1124. (PMID: 34060093)
Mol Ecol. 2011 Apr;20(7):1333-46. (PMID: 21299662)
J Fish Biol. 2020 Nov;97(5):1332-1342. (PMID: 32740934)
Biol Rev Camb Philos Soc. 2015 Nov;90(4):1035-64. (PMID: 25291986)
J Fish Biol. 2022 Oct;101(4):1047-1057. (PMID: 35851662)
Sci Total Environ. 2020 Nov 15;743:140675. (PMID: 32927526)
J Fish Biol. 2021 Feb;98(2):399-414. (PMID: 32154579)
Mol Phylogenet Evol. 2005 Jan;34(1):134-46. (PMID: 15579387)
J Fish Biol. 2025 Jun;106(6):1752-1765. (PMID: 39840884)
Sci Rep. 2022 Oct 13;12(1):15362. (PMID: 36229475)
Sci Rep. 2021 May 28;11(1):11282. (PMID: 34050232)
Grant Information: H2020-LC-BG-08-2018 Horizon 2020 Framework Programme; CA18102 European Cooperation in Science and Technology
Contributed Indexing: Keywords: Atlantic; Azores; Macaronesia; acoustic telemetry; diadromous; home range; islands
Entry Date(s): Date Created: 20260206 Date Completed: 20260712 Latest Revision: 20260813
Update Code: 20260813
PubMed Central ID: PMC13357287
DOI: 10.1111/jfb.70355
PMID: 41645923
Βάση Δεδομένων: MEDLINE
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  Data: Restricted movement range of European eels (Anguilla anguilla L.) in an oceanic island stream.
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  Data: <searchLink fieldCode="AU" term="%22Verhelst+P%22">Verhelst P</searchLink>; Research Institute for Nature and Forest, Brussels, Belgium.<br /><searchLink fieldCode="AU" term="%22Priester+CR%22">Priester CR</searchLink>; Institute of Marine Sciences, University of the Azores, Horta, Portugal.<br /><searchLink fieldCode="AU" term="%22Brys+R%22">Brys R</searchLink>; Research Institute for Nature and Forest, Geraardsbergen, Belgium.<br /><searchLink fieldCode="AU" term="%22Reubens+J%22">Reubens J</searchLink>; Flanders Marine Institute, Ostend, Belgium.<br /><searchLink fieldCode="AU" term="%22Afonso+P%22">Afonso P</searchLink>; Institute of Marine Sciences, University of the Azores, Horta, Portugal.; Institute of Marine Research, Horta, Portugal.
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  Data: Research on the critically endangered European eel (Anguilla anguilla L.) has long been focused on the continental part of the species' wide distribution. Comparatively, we know very little about its ecology in the small stream habitats of the oceanic Macaronesian islands and whether it differs from that of continental estuaries, rivers and lakes. We used acoustic telemetry to investigate the movements of 36 yellow-staged eels for 1 year at a typical Azorean stream, with small pools below waterfalls interchanged by riffles and runs. Tagged eels had a restricted movement range and mostly stayed in a given pool. Such limited movements render this part of the population particularly susceptible to changes in the stream, which can seasonally run dry at some parts. These findings likely reflect the extreme habitat limitation in Azorean streams, and possibly an evolutionary adaptation to ensure growth under limited food supply and high competitive pressure. These specificities should be taken into account in future management plans for the European eel and its Azorean habitats.<br /> (© 2026 Fisheries Society of the British Isles.)
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  Data: J Fish Biol. 2021 Sep;99(3):1110-1124. (PMID: <searchLink fieldCode="PM" term="%2234060093%22">34060093)</searchLink><br />Mol Ecol. 2011 Apr;20(7):1333-46. (PMID: <searchLink fieldCode="PM" term="%2221299662%22">21299662)</searchLink><br />J Fish Biol. 2020 Nov;97(5):1332-1342. (PMID: <searchLink fieldCode="PM" term="%2232740934%22">32740934)</searchLink><br />Biol Rev Camb Philos Soc. 2015 Nov;90(4):1035-64. (PMID: <searchLink fieldCode="PM" term="%2225291986%22">25291986)</searchLink><br />J Fish Biol. 2022 Oct;101(4):1047-1057. (PMID: <searchLink fieldCode="PM" term="%2235851662%22">35851662)</searchLink><br />Sci Total Environ. 2020 Nov 15;743:140675. (PMID: <searchLink fieldCode="PM" term="%2232927526%22">32927526)</searchLink><br />J Fish Biol. 2021 Feb;98(2):399-414. (PMID: <searchLink fieldCode="PM" term="%2232154579%22">32154579)</searchLink><br />Mol Phylogenet Evol. 2005 Jan;34(1):134-46. (PMID: <searchLink fieldCode="PM" term="%2215579387%22">15579387)</searchLink><br />J Fish Biol. 2025 Jun;106(6):1752-1765. (PMID: <searchLink fieldCode="PM" term="%2239840884%22">39840884)</searchLink><br />Sci Rep. 2022 Oct 13;12(1):15362. (PMID: <searchLink fieldCode="PM" term="%2236229475%22">36229475)</searchLink><br />Sci Rep. 2021 May 28;11(1):11282. (PMID: <searchLink fieldCode="PM" term="%2234050232%22">34050232)</searchLink>
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  Data: H2020-LC-BG-08-2018 Horizon 2020 Framework Programme; CA18102 European Cooperation in Science and Technology
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  Data: <i>Keywords: </i>Atlantic; Azores; Macaronesia; acoustic telemetry; diadromous; home range; islands
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