Reproduction cycle of Longtail shad (Tenualosa macrura) in Bengkalis Waters, Riau, Indonesia

IF 1.8 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Journal of Animal Behaviour and Biometeorology Pub Date : 2021-01-01 DOI:10.31893/jabb.22003

Thamrin, R. Putra, Nofrizal, Rika Kurniawan, A. D. Syakti

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引用次数: 1

Abstract

Tenualosa macrura is an endangered fish in Riau Province, which is classified as a protected fish. Therefore, the first step is to study the reproductive cycle, aiming o prevent these species from extinction. The observation was carried out for 13 months from January 2019 to February 2020 (except February 2019) in Indonesia's Bengkalis waters. This study's purpose was determined to determine the spawning season, fecundity, and behavior of this species. The results showed that the relationship between length and weight positively correlates with the length-weight of male T. macrura (R² = 0.84) and female (R² = 0.67), while the length-weight of all males and females were reported to be (R² = 0.95). Meanwhile, the relationship between fecundity and length-weight has no relationship. Furthermore, the spawning season lasted all through the year, and it occurred at every low tide (dark moon) and high tide (full moon). Despite being discovered occasionally in a limited amount, the greatest amount of T. macrura was reported between July and September each year.

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印度尼西亚廖内省Bengkalis水域长尾鱼(Tenualosa macrura)繁殖周期

巨蜥是廖内省的一种濒危鱼类，被列为保护鱼类。因此，第一步是研究繁殖周期，旨在防止这些物种灭绝。从2019年1月至2020年2月(2019年2月除外)，在印度尼西亚的Bengkalis水域进行了为期13个月的观察。本研究的目的是确定该物种的产卵季节，繁殖力和行为。结果表明，体长与体重的关系与雄、雌体长-体重呈显著正相关(R²= 0.84)，雌雄体长-体重均为显著正相关(R²= 0.95)。而繁殖力与长重之间没有关系。此外，产卵季节全年持续，在每一个低潮(暗月)和高潮(满月)发生。尽管偶尔发现数量有限，但每年的7月至9月期间报道了大量的大尺蠖。

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

Journal of Animal Behaviour and Biometeorology Environmental Science-Ecology

CiteScore

4.00

自引率

9.50%

发文量

期刊介绍： The Journal of Animal Behaviour and Biometeorology (ISSN 2318-1265) is the official journal of the Center for Applied Animal Biometeorology (Brazil) currently published by Malque Publishing. Our journal is published quarterly, where the published articles are inserted into areas of animal behaviour, animal biometeorology, animal welfare, and ambience: farm animals (mammals, birds, fish, and bees), wildlife (mammals, birds, fish, reptiles, and amphibians), pets, animals in zoos and invertebrate animals. The publication is exclusively digital and articles are freely available to the international community. Manuscript submission implies that the data are unpublished and have not been submitted for publication in other journals. JABB publishes original articles in the form of Original Articles, Short Communications, and Reviews. Original Articles arising from research work should be well grounded in theory and execution should follow the scientific methodology and justification for its objectives; Short Communications should provide sufficient results for a publication in accordance with the Research Article; Reviews should involve the relevant scientific literature on the subject. JABB publishes articles in English only. All articles should be written strictly adopting all the rules of spelling and grammar.