Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait

Spiny lobsters of the genus Panulirus are economically important and support local fishing communities. However, mud spiny lobster Panulirus polyphagus is among the least known species within this genus in terms of their biological information. This study relates to the size distribution, length-wei...

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Autores principales:	Khor Waiho, Hanafiah Fazhan, Alexander Chong Shu-Chien, Muyassar H. Abualreesh, Hongyu Ma, Mohammad Syahnon, Ghazali Azmie, Nurul Jannah Razman, Mhd Ikhwanuddin
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	mud spiny lobster Panulirus length-weight relationship discriminant functions Johor Strait Science Q General. Including nature conservation, geographical distribution QH1-199.5
Acceso en línea:	https://doaj.org/article/62f870e7628b4661bf8075299e7ee4cc
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spelling	oai:doaj.org-article:62f870e7628b4661bf8075299e7ee4cc2021-12-01T13:11:57ZSize Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait2296-774510.3389/fmars.2021.766038https://doaj.org/article/62f870e7628b4661bf8075299e7ee4cc2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmars.2021.766038/fullhttps://doaj.org/toc/2296-7745Spiny lobsters of the genus Panulirus are economically important and support local fishing communities. However, mud spiny lobster Panulirus polyphagus is among the least known species within this genus in terms of their biological information. This study relates to the size distribution, length-weight relationship, and size at morphometric maturity of P. polyphagus in the Johor Strait. Within the year 2010, 300 specimens were collected off the coast of Johor Strait, Malaysia. There was no significant difference in body size (cephalothorax length, CL) and body weight (BW) between sexes. CL and BW were highly correlated and males of P. polyphagus displayed positive growth allometry, whereas the opposite was observed in females. Based on the merus (ML) and carpus length (CPL) of the third right walking leg, the piecewise linear regression analysis estimated that the size at maturity for male was 6.58 cm CL (based on ML) and 7.58 cm CL (based on CPL), whereas it was 8.18 cm CL (based on ML) and 6.75 cm (based on CPL) for females. Two discriminant functions of high classification and revalidation rates (> 98.6% in males and > 98.7% in females) that can discern maturation status in males and females of P. polyphagus were derived using the discriminant function analysis. Biological information derived from this study serves as an essential baseline for future fishery management and conservation of P. polyphagus.Khor WaihoKhor WaihoKhor WaihoHanafiah FazhanHanafiah FazhanAlexander Chong Shu-ChienAlexander Chong Shu-ChienMuyassar H. AbualreeshHongyu MaHongyu MaMohammad SyahnonGhazali AzmieNurul Jannah RazmanMhd IkhwanuddinMhd IkhwanuddinFrontiers Media S.A.articlemud spiny lobsterPanuliruslength-weight relationshipdiscriminant functionsJohor StraitScienceQGeneral. Including nature conservation, geographical distributionQH1-199.5ENFrontiers in Marine Science, Vol 8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	mud spiny lobster Panulirus length-weight relationship discriminant functions Johor Strait Science Q General. Including nature conservation, geographical distribution QH1-199.5
spellingShingle	mud spiny lobster Panulirus length-weight relationship discriminant functions Johor Strait Science Q General. Including nature conservation, geographical distribution QH1-199.5 Khor Waiho Khor Waiho Khor Waiho Hanafiah Fazhan Hanafiah Fazhan Alexander Chong Shu-Chien Alexander Chong Shu-Chien Muyassar H. Abualreesh Hongyu Ma Hongyu Ma Mohammad Syahnon Ghazali Azmie Nurul Jannah Razman Mhd Ikhwanuddin Mhd Ikhwanuddin Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait
description	Spiny lobsters of the genus Panulirus are economically important and support local fishing communities. However, mud spiny lobster Panulirus polyphagus is among the least known species within this genus in terms of their biological information. This study relates to the size distribution, length-weight relationship, and size at morphometric maturity of P. polyphagus in the Johor Strait. Within the year 2010, 300 specimens were collected off the coast of Johor Strait, Malaysia. There was no significant difference in body size (cephalothorax length, CL) and body weight (BW) between sexes. CL and BW were highly correlated and males of P. polyphagus displayed positive growth allometry, whereas the opposite was observed in females. Based on the merus (ML) and carpus length (CPL) of the third right walking leg, the piecewise linear regression analysis estimated that the size at maturity for male was 6.58 cm CL (based on ML) and 7.58 cm CL (based on CPL), whereas it was 8.18 cm CL (based on ML) and 6.75 cm (based on CPL) for females. Two discriminant functions of high classification and revalidation rates (> 98.6% in males and > 98.7% in females) that can discern maturation status in males and females of P. polyphagus were derived using the discriminant function analysis. Biological information derived from this study serves as an essential baseline for future fishery management and conservation of P. polyphagus.
format	article
author	Khor Waiho Khor Waiho Khor Waiho Hanafiah Fazhan Hanafiah Fazhan Alexander Chong Shu-Chien Alexander Chong Shu-Chien Muyassar H. Abualreesh Hongyu Ma Hongyu Ma Mohammad Syahnon Ghazali Azmie Nurul Jannah Razman Mhd Ikhwanuddin Mhd Ikhwanuddin
author_facet	Khor Waiho Khor Waiho Khor Waiho Hanafiah Fazhan Hanafiah Fazhan Alexander Chong Shu-Chien Alexander Chong Shu-Chien Muyassar H. Abualreesh Hongyu Ma Hongyu Ma Mohammad Syahnon Ghazali Azmie Nurul Jannah Razman Mhd Ikhwanuddin Mhd Ikhwanuddin
author_sort	Khor Waiho
title	Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait
title_short	Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait
title_full	Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait
title_fullStr	Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait
title_full_unstemmed	Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait
title_sort	size distribution, length-weight relationship, and size at morphometric maturity of the mud spiny lobster panulirus polyphagus (herbst, 1793) in the johor strait
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/62f870e7628b4661bf8075299e7ee4cc
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Size Distribution, Length-Weight Relationship, and Size at Morphometric Maturity of the Mud Spiny Lobster Panulirus polyphagus (Herbst, 1793) in the Johor Strait

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