Sains Malaysiana 44(3)(2015): 379–386
Length-Weight
Relationships of Acetes spp. Sampled Along the West Coast of
Peninsular
Malaysia
(Hubungan Panjang-Berat Acetes spp. yang Disampel Sepanjang
Pantai Barat Semenanjung Malaysia)
BOON YEE WONG1, HAN KIAT
ALAN ONG2 & GIDEON KHOO3*
1Faculty of
Engineering and Science, Universiti Tunku Abdul Rahman, Jalan Genting Klang,
Setapak, 53300 Kuala Lumpur, Malaysia
2Department of
Pre-clinical Sciences, Faculty of Medicine and Health Sciences
Universiti Tunku Abdul Rahman, Jalan Sungai Long, Bandar
Sungai Long
Cheras, 43000 Kajang, Selangor, Malaysia
3Department of
Biological Science, Faculty of Science, Universiti Tunku Abdul Rahman
Jalan Universiti, Bandar Barat, 31900 Kampar, Perak, Malaysia
Diserahkan: 15 November 2013/Diterima: 22 September 2014
ABSTRACT
The present study describes the length-weight relationships (LWRs)
of four Acetes species (Acetes
indicus, A. serrulatus, A. japonicus and A. sibogae) which were
sampled from offshore trawling and inshore catches along the west coast of
Peninsular Malaysia. Morphometric measurements (total length, TL and wet weight, WW)
were obtained from the samples and LWRs were estimated. All LWRs were significant (p<0.05)
for the four species, with the coefficient of determination, R2>
0.659. The estimated b values for LWR were 2.432-3.403. The R2 value was >0.84
when the data was analysed according to inshore and offshore samples. Male and
female A. indicus and A. serrulatus demonstrated negative
allometric growth whilst male A. japonicus and A. sibogae showed
isometric growth type. Positive allometric growth was depicted by a combined
group of male and female A. sibogae. This study has contributed to the
knowledge of the offshore and inshore distribution patterns of different
populations of Acetes spp. in the Straits of Malacca. It also presents a
comparison of the LWRs between offshore and inshore catches of A.
indicus and A. serrulatus, with the inshore catches of A.
japonicus and A. sibogae, which have not been previously reported.
The findings of this study would contribute to the conservation and management
of this commercially important fisheries resource.
Keywords: Acetes; inshore catches;
length-weight relationship; Malaysia; offshore trawling
ABSTRAK
Kajian ini menerangkan hubungan panjang-berat (LWRs) empat spesies Acetes (Acetes indicus, A.
serrulatus, A. japonicas dan A. sibogae) yang telah disampel
daripada tangkapan pukat tunda di luar pesisir dan tangkapan pantai di
sepanjang pantai barat Semenanjung Malaysia. Ukuran morfometrik (jumlah
panjang, TL dan berat basah badan, WW) telah diperoleh daripada sampel dan LWRs
telah dianggarkan. Semua LWRs menunjukkan perbezaan yang signifikan (p<0.05)
bagi keempat-empat spesies tesebut, dengan pekali penentuan, R2>0.659.
Anggaran nilai b bagi LWR ialah 2.432-3.403. Nilai R2 adalah
>0.84 apabila data dianalisis mengikut sampel pantai dan luar pesisir.
Jantan dan betina A. indicus dan A. serrulatus menunjukkan
pertumbuhan alometrik negatif manakala jantan A. japonicas dan A.
sibogae menunjukkan pertumbuhan jenis isometrik. Pertumbuhan alometrik
positif digambarkan oleh kumpulan gabungan jantan dan betina A. sibogae.
Kajian ini telah menyumbang kepada pengetahuan corak taburan populasi Acetes spp. yang berbeza di luar pesisir dan pantai di Selat Melaka. Ia juga
menunjukkan perbandingan antara LWRs tangkapan pesisir luar dan pantai A.
indicus dan A. serrulatus dengan tangkapan pantai A. japonicas dan A. sibogae yang belum dilaporkan sebelum ini. Hasil kajian ini akan
menyumbang kepada pemuliharaan dan pengurusan sumber perikanan komersial yang
penting ini.
Kata kunci: Acetes; hubungan panjang-berat; Malaysia; perikanan pukat tunda
luar pesisir; tangkapan pantai
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*Pengarang
untuk surat-menyurat; email: gideonkhoo@utar.edu.my
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