Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis

Studies on horseshoe crabs morphometrics found that they have maintained their descendent features from the Late Ordovician Period to present day. In the present study, we applied the allometric study to evaluate the correlation of body growth in three populations of the Asian horseshoe crab (Tachyp...

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Main Authors:	Md Razak, Mohd Razali, Kassim, Zaleha
Format:	Article
Language:	English English
Published:	BIOFLUX Publishing House 2018
Subjects:	QL Zoology
Online Access:	http://irep.iium.edu.my/62578/ http://irep.iium.edu.my/62578/ http://irep.iium.edu.my/62578/1/62578_Comparison%20of%20horseshoe%20crabs%20%28Tachypleus%20gigas%29%20morphometry_article.pdf http://irep.iium.edu.my/62578/2/62578-Comparison%20of%20horseshoe%20crabs%20%28Tachypleus%20gigas%29%20morphometry_Scopus.pdf

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spelling	iium-625782019-02-27T07:47:11Z http://irep.iium.edu.my/62578/ Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis Md Razak, Mohd Razali Kassim, Zaleha QL Zoology Studies on horseshoe crabs morphometrics found that they have maintained their descendent features from the Late Ordovician Period to present day. In the present study, we applied the allometric study to evaluate the correlation of body growth in three populations of the Asian horseshoe crab (Tachypleus gigas) collected from Balok (Pahang), Cherok Paloh (Pahang) and Merlimau (Melaka), Malaysia, coastal areas. The aims of this study are to examine the logarithmic growth of horseshoe crabs between three populations by analyzing the variation of their body weight (BW), carapace length (CL), carapace width (CW) and telson length (TEL) to determine their growth and maturity. Their body parameters were analyzed by the allometric method. There are no significant differences between males weight in all populations (p>0.05). However, females from Merlimau were smallest (BW: 519.7±66.3 g; CL: 21.1±1.1 cm; CW: 19.6±0.9 cm) among the three populations; Balok (BW: 928.5±123.2 g; CL: 23.8±1.0 cm; CW: 23.3±1.0 cm) and Cherok Paloh (BW: 939.8±125.7 g; CL: 25.4±1.5 cm; CW: 25.1±1.6 cm). Males and females of T. gigas in Merlimau could be classified as less matured among Balok and Cherok Paloh, since the increment of CL/CW were higher than their BW. Further study on T. gigas allometry along Malaysian coastal area is needed to understand the variation growth between populations. The study could be an alarming condition to a particular T. gigas population. BIOFLUX Publishing House 2018 Article PeerReviewed application/pdf en http://irep.iium.edu.my/62578/1/62578_Comparison%20of%20horseshoe%20crabs%20%28Tachypleus%20gigas%29%20morphometry_article.pdf application/pdf en http://irep.iium.edu.my/62578/2/62578-Comparison%20of%20horseshoe%20crabs%20%28Tachypleus%20gigas%29%20morphometry_Scopus.pdf Md Razak, Mohd Razali and Kassim, Zaleha (2018) Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis. AACL Bioflux,, 11 (1). pp. 143-157. ISSN 1844-8143 E-ISSN 1844-9166 http://www.bioflux.com.ro/docs/2018.143-157.pdf
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	QL Zoology
spellingShingle	QL Zoology Md Razak, Mohd Razali Kassim, Zaleha Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis
description	Studies on horseshoe crabs morphometrics found that they have maintained their descendent features from the Late Ordovician Period to present day. In the present study, we applied the allometric study to evaluate the correlation of body growth in three populations of the Asian horseshoe crab (Tachypleus gigas) collected from Balok (Pahang), Cherok Paloh (Pahang) and Merlimau (Melaka), Malaysia, coastal areas. The aims of this study are to examine the logarithmic growth of horseshoe crabs between three populations by analyzing the variation of their body weight (BW), carapace length (CL), carapace width (CW) and telson length (TEL) to determine their growth and maturity. Their body parameters were analyzed by the allometric method. There are no significant differences between males weight in all populations (p>0.05). However, females from Merlimau were smallest (BW: 519.7±66.3 g; CL: 21.1±1.1 cm; CW: 19.6±0.9 cm) among the three populations; Balok (BW: 928.5±123.2 g; CL: 23.8±1.0 cm; CW: 23.3±1.0 cm) and Cherok Paloh (BW: 939.8±125.7 g; CL: 25.4±1.5 cm; CW: 25.1±1.6 cm). Males and females of T. gigas in Merlimau could be classified as less matured among Balok and Cherok Paloh, since the increment of CL/CW were higher than their BW. Further study on T. gigas allometry along Malaysian coastal area is needed to understand the variation growth between populations. The study could be an alarming condition to a particular T. gigas population.
format	Article
author	Md Razak, Mohd Razali Kassim, Zaleha
author_facet	Md Razak, Mohd Razali Kassim, Zaleha
author_sort	Md Razak, Mohd Razali
title	Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis
title_short	Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis
title_full	Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis
title_fullStr	Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis
title_full_unstemmed	Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis
title_sort	comparison of horseshoe crabs (tachypleus gigas) morphometry between different populations using allometric analysis
publisher	BIOFLUX Publishing House
publishDate	2018
url	http://irep.iium.edu.my/62578/ http://irep.iium.edu.my/62578/ http://irep.iium.edu.my/62578/1/62578_Comparison%20of%20horseshoe%20crabs%20%28Tachypleus%20gigas%29%20morphometry_article.pdf http://irep.iium.edu.my/62578/2/62578-Comparison%20of%20horseshoe%20crabs%20%28Tachypleus%20gigas%29%20morphometry_Scopus.pdf
first_indexed	2023-09-18T21:28:41Z
last_indexed	2023-09-18T21:28:41Z
_version_	1777412364045385728

Comparison of horseshoe crabs (Tachypleus gigas) morphometry between different populations using allometric analysis

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