Age, growth and maturation in the mesopelagic squid Abralia andamanica (Cephalopoda: Enoploteuthidae) from the Arabian Sea

IF 0.8 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Scientia Marina Pub Date : 2022-09-21 DOI:10.3989/scimar.05251.036

Kurichithara Kunjumani Sajikumar, G. Sasikumar, V. Venkatesan, K. Jestin Joy, Kolliyil Sunilkumar Mohamed

引用次数: 1

Abstract

Age, growth and maturation in the mesopelagic squid Abralia andamanica (Cephalopoda: Enoploteuthidae) were studied in 140 individuals of 15-60 mm dorsal mantle length (DML) captured from open waters in the southeast Arabian Sea. The length-weight relationship was estimated as W=0.278 DML1.884 (R2=0.93). Age estimates based on statolith increment counts ranged from 79 to 177 days, suggesting a short (<200-day) lifespan. Growth in length was best described by a linear function for males and a power function for females. Growth in weight was best described by a power function for both sexes. Growth rates of the DML ranged from 0.16 to 0.30 (mean=0.24) mm/day in males and from 0.23 to 0.43 (mean=0.33) mm/day in females. The hatching season extended from June to August (monsoon season).

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阿拉伯海中层乌贼Abralia andamanica的年龄、生长和成熟

对在阿拉伯海东南部开阔水域捕获的140条背套长度为15 ~ 60 mm的中远洋鱿鱼(头足纲:Enoploteuthidae)的年龄、生长和成熟进行了研究。长度-权重关系估计为W=0.278 DML1.884 (R2=0.93)。基于statolith增量计数的年龄估计范围为79至177天，表明寿命较短(<200天)。长度的增长最好用线性函数来描述雄性，幂函数来描述雌性。男女体重的增长最好用幂函数来描述。雄性DML的生长速率为0.16 ~ 0.30(平均=0.24)mm/d，雌性DML的生长速率为0.23 ~ 0.43(平均=0.33)mm/d。孵化期从6月延长至8月(季风季节)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Scientia Marina 生物-海洋与淡水生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Scientia Marina is the successor to Investigación Pesquera, a journal of marine sciences published since 1955 by the Institut de Ciències del Mar de Barcelona (CSIC). Scientia Marina is included in the Science Citation Index since 1998 and publishes original papers, reviews and comments concerning research in the following fields: Marine Biology and Ecology, Fisheries and Fisheries Ecology, Systematics, Faunistics and Marine Biogeography, Physical Oceanography, Chemical Oceanography, and Marine Geology. Emphasis is placed on articles of an interdisciplinary nature and of general interest.

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