Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla

Abstract Along with the mysteries of their ecology, freshwater eels have fascinated biologists for centuries. However, information concerning species diversity, geographic distribution, and life histories of the tropical anguillid eels in the Indo-Pacific region are highly limited. Comprehensive res...

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Autores principales:	Takaomi Arai, Siti Raudah Abdul Kadir
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/816db823990d48f79f3a66ad0f78d1e3
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spelling	oai:doaj.org-article:816db823990d48f79f3a66ad0f78d1e32021-12-02T15:04:56ZDiversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla10.1038/s41598-017-07837-x2045-2322https://doaj.org/article/816db823990d48f79f3a66ad0f78d1e32017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07837-xhttps://doaj.org/toc/2045-2322Abstract Along with the mysteries of their ecology, freshwater eels have fascinated biologists for centuries. However, information concerning species diversity, geographic distribution, and life histories of the tropical anguillid eels in the Indo-Pacific region are highly limited. Comprehensive research on the species composition, distribution and habitat use among tropical anguillid eels in the Peninsular Malaysia were conducted for four years. A total of 463 specimens were collected in the northwestern peninsular area. The dominant species was A. bicolor bicolor constituting of 88.1% of the total eels, the second one was A. bengalensis bengalensis at 11.7%, while A. marmorata was the least abundant at 0.2%. A. bicolor bicolor was widely distributed from upstream to downstream areas of the rivers. In comparison, A. bengalensis bengalensis preferred to reside from the upstream to midstream areas with no tidal zones, cooler water temperatures and higher elevation areas. The habitat preference might be different between sites due to inter-species interactions and intra-specific plasticity to local environmental conditions. These results suggest that habitat use in the tropical anguillid eels might be more influenced by ambient environmental factors, such as salinity, temperature, elevation, river size and carrying capacity, than ecological competition, such as interspecific competition.Takaomi AraiSiti Raudah Abdul KadirNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Takaomi Arai Siti Raudah Abdul Kadir Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
description	Abstract Along with the mysteries of their ecology, freshwater eels have fascinated biologists for centuries. However, information concerning species diversity, geographic distribution, and life histories of the tropical anguillid eels in the Indo-Pacific region are highly limited. Comprehensive research on the species composition, distribution and habitat use among tropical anguillid eels in the Peninsular Malaysia were conducted for four years. A total of 463 specimens were collected in the northwestern peninsular area. The dominant species was A. bicolor bicolor constituting of 88.1% of the total eels, the second one was A. bengalensis bengalensis at 11.7%, while A. marmorata was the least abundant at 0.2%. A. bicolor bicolor was widely distributed from upstream to downstream areas of the rivers. In comparison, A. bengalensis bengalensis preferred to reside from the upstream to midstream areas with no tidal zones, cooler water temperatures and higher elevation areas. The habitat preference might be different between sites due to inter-species interactions and intra-specific plasticity to local environmental conditions. These results suggest that habitat use in the tropical anguillid eels might be more influenced by ambient environmental factors, such as salinity, temperature, elevation, river size and carrying capacity, than ecological competition, such as interspecific competition.
format	article
author	Takaomi Arai Siti Raudah Abdul Kadir
author_facet	Takaomi Arai Siti Raudah Abdul Kadir
author_sort	Takaomi Arai
title	Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
title_short	Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
title_full	Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
title_fullStr	Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
title_full_unstemmed	Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
title_sort	diversity, distribution and different habitat use among the tropical freshwater eels of genus anguilla
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/816db823990d48f79f3a66ad0f78d1e3
work_keys_str_mv	AT takaomiarai diversitydistributionanddifferenthabitatuseamongthetropicalfreshwatereelsofgenusanguilla AT sitiraudahabdulkadir diversitydistributionanddifferenthabitatuseamongthetropicalfreshwatereelsofgenusanguilla
_version_	1718388965583618048

Diversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla

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