Length-Weight and Length-Length Relationships of 39 Demersal Fish Species of an Estuarine-Coastal Ecosystem from the Northwestern of the Baja California Peninsula, Mexico

IF 0.7 4区 农林科学 Q4 FISHERIES
Adrián F. González-Acosta, Carlos H. Rábago-Quiroz, Gorgonio Ruiz-Campos, Juan Antonio García-Borbón, María del Carmen Alejo-Plata, Francisco J. Barrón-Barraza
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Abstract

The length-weight (LW) and length-length (LL) relationships of 39 demersal fish species belonging to 19 families were calculated. Fish samples were collected monthly during the open (September–February) and close (March–August) shrimp fishing seasons from 2014 to 2022 by the artisanal fishery in the Bahía Magdalena-Almejas lagoon system (BMA), using small boats and a shrimp bottom trawl with 16–17 m top rope and 38 mm mesh opening. Total (TL) and standard (SL) lengths and total weight (TW) were measured for all fish specimens. The b parameter of the LW relationship ranged from the minimum of 2.483 for Cynoscion parvipinnis to 3.775 as the maximum for Bagre panamensis while, for the LL relationship, the parameter b ranged from 0.685 for Balistes polylepis to 0.994 for Orthopristis cantharinus. Both LW and LL relationships were highly correlated (r2 > 0.95; P < 0.05). The parameter b of the LW relationship indicated that 59% of the fish species showed isometric and 41% allometric growth. Information on LW and LL relationships is updated for thirteen species, and four are reported for the first time: Citharichthys xanthostigma, Ophidion galeoides, Pleuronichthys guttulatus, and P. ritteri. This study will be useful to update the LW relationship parameters for data-poor fish species and contribute to the accuracy of fish stock assessment in the BMA fisheries.

墨西哥下加利福尼亚半岛西北部河口-海岸生态系统中 39 种底栖鱼类的长度-重量和长度-长度关系
计算了隶属于 19 个科的 39 种底栖鱼类的长度-重量(LW)和长度-长度(LL)关系。从 2014 年到 2022 年,在马格达莱纳湾-阿尔梅哈斯泻湖系统(BMA)的对虾捕捞季节(9 月至 2 月)和休渔期(3 月至 8 月),使用小船和顶绳 16-17 米、网眼 38 毫米的对虾底拖网每月采集鱼类样本。测量了所有鱼类标本的总长(TL)、标准长(SL)和总重量(TW)。LW 关系的 b 参数范围从 Cynoscion parvipinnis 的最小值 2.483 到 Bagre panamensis 的最大值 3.775,而 LL 关系的参数 b 范围从 Balistes polylepis 的 0.685 到 Orthopristis cantharinus 的 0.994。LW 和 LL 关系均高度相关(r2>0.95;P<0.05)。LW 关系的参数 b 表明,59% 的鱼类物种呈等距生长,41% 呈异速生长。更新了 13 个物种的 LW 和 LL 关系信息,并首次报告了 4 个物种:Citharichthys xanthostigma、Ophidion galeoides、Pleuronichthys guttulatus 和 P. ritteri。这项研究将有助于更新缺乏数据的鱼类物种的 LW 关系参数,并有助于提高 BMA 渔业鱼类种群评估的准确性。
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来源期刊
Journal of Applied Ichthyology
Journal of Applied Ichthyology 生物-海洋与淡水生物学
CiteScore
2.30
自引率
11.10%
发文量
73
审稿时长
3-8 weeks
期刊介绍: The Journal of Applied Ichthyology publishes articles of international repute on ichthyology, aquaculture, and marine fisheries; ichthyopathology and ichthyoimmunology; environmental toxicology using fishes as test organisms; basic research on fishery management; and aspects of integrated coastal zone management in relation to fisheries and aquaculture. Emphasis is placed on the application of scientific research findings, while special consideration is given to ichthyological problems occurring in developing countries. Article formats include original articles, review articles, short communications and technical reports.
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