鲶鱼小鳞耳石年龄环异常首次报道

IF 0.5 4区农林科学 Q4 FISHERIES

Boletim do Instituto de Pesca Pub Date : 2021-06-18 DOI:10.20950/1678-2305/bip.2021.47.e615

I. S. Morais, J. D. Azevedo

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引用次数: 2

摘要

本研究旨在记录来自巴西南部海岸canania - iguape河口-泻湖复合体(CIELC)的Cathorops spixii lapillus耳石中首次出现的异常年轮。2018年8月，在该中心北部和南部各采集了59只spixii(志留虫目，Ariidae)标本(n = 25)。总的来说，在呈现年龄环变化的耳石中，在右侧第5和第7年龄环之间的不透明和半透明层中观察到这种发散带。

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THE FIRST REPORT OF ABNORMAL AGE RINGS IN OTOLITHS LAPILLUS OF ARIIDS CATFISH

The present work aimed to record the first presence of abnormal age rings in Cathorops spixii lapillus otoliths from Cananeia-Iguape Estuarine-Lagoon Complex (CIELC), Southern region of Brazilian coast. In August 2018, 59 specimens of C. spixii (Siluriformes, Ariidae) were collected during one station sampling in the northern (n = 25) and another in the southern sector (n = 33) of CIELC. In general, among the otoliths that presented age ring alterations, this divergent zone was observed in opaque and translucent layers, on the right side, between the fifth and seventh age rings.

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来源期刊

Boletim do Instituto de Pesca FISHERIES-ZOOLOGY

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： To publish original articles of research and short communications in the following áreas: Fisheries, Aquaculture, Zootechnology, Limnology, Oceanography, Biology and Pathology of aquatic organisms. The publication depends on the approval of the Editorial Board, based on the peer review.