王氏软骨瘤(Heckel,1843)耳石重量与年龄关系的初步研究

Omid Beyraghdar Kashkooli, S. Asadollah, Yaser Ahmadi
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引用次数: 0

摘要

据我们所知,目前还没有关于Zayandeh河中王氏软骨瘤(Heckel,1843)的耳石质量与年龄以及体重和长度之间关系的研究,因此本研究试图检验这种相当简单、有效和成本效益高的方法,以帮助提供该物种年龄相关研究所需的更客观的信息。2017年3月至4月期间,Zayandeh河的围网采集了王C.regium的随机样本。采样鱼的年龄在2至5岁之间,样本的总长度、体重和耳石质量范围平均值分别为82.2-161.6mm、5.35-42.35g和4.1-7.3mg。随着鱼的生长,总长度、体重和耳石质量的平均值呈现出明显的增加趋势。结果表明,王的体长和耳石重量的变异性(P<0.05)与体重和耳石质量的变异性之间存在显著的正相关(P<0.05)。耳石质量随年龄增长有明显的增加趋势(P<0.05)。本研究中耳石的平均重量随着年龄、长度和重量的增加而增加,这显然证实了王耳石质量的增加与个体发育过程中的体细胞生长一致。
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A preliminary investigation of the relationship between otolith weight and age for Chondrostoma regium (Heckel, 1843) (Teleostei: Cyprinidae)
To our knowledge, no study is available on the relationships between otolith mass and age as well as body weight and length of Chondrostoma regium (Heckel, 1843) in the Zayandeh River, hence the present study attempted to examine this rather simple, efficient and cost-effective approach to contribute in providing more objective information required in age-related studies of this species. During March-April 2017 random samples of C. regium were collected by a river seine in the Zayandeh River. Sampled fish ages were between 2 to 5 years and ranges of total length, body weight and otolith mass averages of samples were 82.2-161.6mm, 5.35-42.35g and 4.1-7.3mg, respectively. As the fish grow, total length, body weight and otolith mass averages showed a clear increasing trend. The results revealed significant positive relationships between variability of body length and otolith weight ( P <0.05) as well as variability of body weight and otolith mass ( P <0.05) of C. regium . Furthermore, an obvious significant increasing trend of otolith mass with age increment ( P <0.05) is found. The average weights of otoliths in the present study increased with age, length and weight which evidently confirms that the otolith mass increase in C. regium is in compliance with somatic growth through the ontogenetic processes.
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来源期刊
Iranian Journal of Ichthyology
Iranian Journal of Ichthyology Agricultural and Biological Sciences-Aquatic Science
CiteScore
0.70
自引率
0.00%
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0
期刊介绍: Iranian Journal of Ichthyology (IJI) is a peer-reviewed journal for publication of high quality papers on any aspect of ichthyology and will be published 4 times a year by the Iranian Society of Ichthyology (http://www.isi-org.ir). The journal welcomes the submission of manuscripts that meets the general criteria of significance and scientific excellence, and will publish original scientific articles in the fields of ichthyology. The editors welcome the submission of original manuscripts including Research Articles, Short communications, and Views & News. Review papers by distinguished authors and Special Issues will also be considered. It is our aim to provide the international scientific community with an efficiently published journal, meeting high scientific and technical standards. Scopes of Iranian Journal of Ichthyology includes: Systematics, taxonomy, morphology, anatomy, biogeography, biodiversity, conservation, ecology and general biology of fishes (reproduction, food and feeding habits, age and growth, population dynamics, etc.). Papers on freshwater, brackish, marine and fossil fishes will be considered.
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