Length-weight relationships and relative condition factors of three coral-associated Lutjanus species from Terengganu waters of the South China Sea, Malaysia

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-01-01 DOI:10.55730/1300-0179.3134

Md. Moshiur Rahman, Nur Asma Ariffin, Y. G. Seah, T. N. A. M. Jaafar, A. Habib

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Abstract

: The present study offers the first report of length-weight relationships (LWRs) and relative condition factor (K n ) of coral-associated snapper fishes namely: Lutjanus johnii, L. quinquelineatus , and L. xanthopinnis collected from Pulau Kambing fish landing port, Terengganu waters of South China Sea, Malaysia. This study also offers a new maximum total length of 26.8 cm (standard length of 21.3 cm) for L. xanthopinnis . A total of 861 specimens were collected monthly from March 2022 to February 2023 that were caught by using different types of fishing gear such as gill nets (mesh size 45–48 mm), hooks (numbers 9–12), and trawl nets (cod end mesh size 38 mm). In LWRs the growth coefficient b value was calculated at 2.602, 2.962, and 3.051, and the coefficient of determination r 2 value 0.948, 0.906, and 0.961 for L. johnii , L. xanthopinnis , and L. quinquelineatus , respectively. The student’s t-test showed L. johnii had a negative allometric growth pattern. On the other hand, L. quinquelineatus and L. xanthopinnis showed an isometric growth pattern. The K n values for L. johnii , L. quinquelineatus , and L. xanthopinnis were 1.005, 1.030, and 1.024 which indicates they are in a state of healthy growth. LWRs data for three Lutjanus species from the Malaysian South China Sea can be used for fisheries research and management of stocks.

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马来西亚南中国海丁加奴海域三种珊瑚相关木犀的长重关系及相关条件因子

：本研究首次报道了在马来西亚南中国海登加奴海域金炳岛鱼类登陆港采集的与珊瑚相关的鲷鱼的长重关系（LWRs）和相对条件因子（Kn）。这项研究还为L.xanthophinis提供了一个新的最大总长度26.8厘米（标准长度21.3厘米）。从2022年3月到2023年2月，每月共收集861个标本，这些标本是通过使用不同类型的渔具捕获的，如刺网（网目尺寸45-48毫米）、鱼钩（编号9-12）和拖网（鳕鱼尾网目尺寸38毫米）。在LWR中，生长系数b值分别为2.602、2.962和3.051，决定系数r2值分别为0.948、0.906和0.961。该学生的t检验显示，L.johnii具有负的异速生长模式。另一方面，西洋参和黄粉菌呈等轴生长模式。约氏乳杆菌、西洋白杆菌和黄曲霉的Kn值分别为1.005、1.030和1.024，表明它们处于健康生长状态。马来西亚南中国海三种木犀的LWR数据可用于渔业研究和种群管理。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.