Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia

Fahmi, Sentosa AR. 2017. Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia. Biodiversitas 18: 1714-1722. A research has been done to determine some biological aspects of Western Longnose Spurdog (Squalus edmundsi) from the Eastern In...

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Autores principales:	FAHMI FAHMI, AGUS ARIFIN SENTOSA
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2017
Materias:	squalus edmundsi squalidae biology indian ocean Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/88f3c9f6559f4a7395bd20e406a60e6d
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spelling	oai:doaj.org-article:88f3c9f6559f4a7395bd20e406a60e6d2021-11-16T14:00:12ZBiology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia1412-033X2085-472210.13057/biodiv/d180451https://doaj.org/article/88f3c9f6559f4a7395bd20e406a60e6d2017-10-01T00:00:00Zhttps://smujo.id/biodiv/article/view/2128https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Fahmi, Sentosa AR. 2017. Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia. Biodiversitas 18: 1714-1722. A research has been done to determine some biological aspects of Western Longnose Spurdog (Squalus edmundsi) from the Eastern Indian Ocean Fishing Region in Indonesia (WPP 573). A total of 1797 samples were recorded from bottom longline fisheries at Tanjung Luar, Lombok from July 2015 to November 2016 by a trained enumerator. The study revealed that Selat Alas and the south west of Sumbawa waters are the most fished areas in the region for this species, with the peak fishing season may occur from January to March. The average catch rate of S. edmundsi was about 8 individuals per boat. The size of sharks varied from 470 mm to 1150 m total length (TL), with average size was 723.6Â±111.5 mm. Size distributions and sex ratio between females and males were significantly different, indicating a sexual dimorphism. This study revealed a fact that there was no seasonal pattern in the reproductive cycle of S. edmundsi in this region, which means the parturition may occur throughout the year. Analysis on its population status showed that this species was very susceptible to overfishing. This condition should be responded by the government through management actions for its fishery.FAHMI FAHMIAGUS ARIFIN SENTOSAMBI & UNS Soloarticlesqualus edmundsisqualidaebiologyindian oceanBiology (General)QH301-705.5ENBiodiversitas, Vol 18, Iss 4, Pp 1714-1722 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	squalus edmundsi squalidae biology indian ocean Biology (General) QH301-705.5
spellingShingle	squalus edmundsi squalidae biology indian ocean Biology (General) QH301-705.5 FAHMI FAHMI AGUS ARIFIN SENTOSA Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia
description	Fahmi, Sentosa AR. 2017. Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia. Biodiversitas 18: 1714-1722. A research has been done to determine some biological aspects of Western Longnose Spurdog (Squalus edmundsi) from the Eastern Indian Ocean Fishing Region in Indonesia (WPP 573). A total of 1797 samples were recorded from bottom longline fisheries at Tanjung Luar, Lombok from July 2015 to November 2016 by a trained enumerator. The study revealed that Selat Alas and the south west of Sumbawa waters are the most fished areas in the region for this species, with the peak fishing season may occur from January to March. The average catch rate of S. edmundsi was about 8 individuals per boat. The size of sharks varied from 470 mm to 1150 m total length (TL), with average size was 723.6Â±111.5 mm. Size distributions and sex ratio between females and males were significantly different, indicating a sexual dimorphism. This study revealed a fact that there was no seasonal pattern in the reproductive cycle of S. edmundsi in this region, which means the parturition may occur throughout the year. Analysis on its population status showed that this species was very susceptible to overfishing. This condition should be responded by the government through management actions for its fishery.
format	article
author	FAHMI FAHMI AGUS ARIFIN SENTOSA
author_facet	FAHMI FAHMI AGUS ARIFIN SENTOSA
author_sort	FAHMI FAHMI
title	Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia
title_short	Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia
title_full	Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia
title_fullStr	Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia
title_full_unstemmed	Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia
title_sort	biology and fisheries aspects of western longnose spurdog, squalus edmundsi from the eastern indian ocean, indonesia
publisher	MBI & UNS Solo
publishDate	2017
url	https://doaj.org/article/88f3c9f6559f4a7395bd20e406a60e6d
work_keys_str_mv	AT fahmifahmi biologyandfisheriesaspectsofwesternlongnosespurdogsqualusedmundsifromtheeasternindianoceanindonesia AT agusarifinsentosa biologyandfisheriesaspectsofwesternlongnosespurdogsqualusedmundsifromtheeasternindianoceanindonesia
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Biology and fisheries aspects of Western Longnose Spurdog, Squalus edmundsi from the Eastern Indian Ocean, Indonesia

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