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首页> 外文期刊>Estuarine Coastal and Shelf Science >The morphology of saccular otoliths as a tool to identify different mugilid species from the Northeastern Atlantic and Mediterranean Sea
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The morphology of saccular otoliths as a tool to identify different mugilid species from the Northeastern Atlantic and Mediterranean Sea

机译：囊状耳石的形态可作为鉴定东北大西洋和地中海不同麦粒种类的工具

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摘要

In the Northeastern Atlantic and Mediterranean Sea there are 8 species of the Mugilidae family: Mugil cephalus, Liza aurata, Liza ramada, Oedalechilus labeo, Chelon labrosus, Liza saliens, Liza carinata and Liza haematocheila. The identification of mugilids is very important for local fisheries management and regulations, but it is difficult using gross morphological characters. This work aims to contribute to the identification of mullets present in the Northeastern Atlantic Ocean and Mediterranean Sea using saccular otolith features of each species. Specimens of C. labrosus, L. aurata, L. ramada, L. saliens and M. cephalus were obtained from Delta del Ebro (40°38′N-0°44′E) in artisanal catches. For L. carinata and O. labeo photographs extracted from AFORO online database were used. L. haematocheila was not studied for lack of otolith samples. A general pattern of the saccular otoliths for this family was identified: the shape of the otoliths are rectangular to oblong with irregular margins; they present a heterosulcoid, ostial sulcus acusticus, with an open funnel-like ostium to the anterior margin and a closed, tubular cauda, ending towards the posterior ventral corner, always larger than the ostium. In the present study, the mugilid species could be recognized using their saccular otolith morphology. Here we give the first key to identify Northeastern Atlantic and Mediterranean mullets. The distinctive features between the species were the position and centrality of the sulcus, the curvature of the cauda, the presence of areal depositions and plateaus, and the type of anterior and posterior regions. These features could be used not only to reinforce the identification keys through morphological and meristic characters of the species, but also to identify the species consumed by piscivores, being the otoliths the only identifiable remains of the individuals.
机译：在东北大西洋和地中海地区，有8种Mugilidae科：头颅，（Migil cephalus），丽莎Li（Liza aurata），丽莎ramada，Oedalechilus labeo，Che龟（Chelon labrosus），丽莎saliens，丽莎carinata和丽莎haematocheila。瓜类的鉴定对于当地渔业管理和法规非常重要，但是很难使用总体形态特征。这项工作旨在利用每种物种的囊耳石特征来鉴定东北大西洋和地中海中存在的鱼。 C. labrosus，L。aurata，L。ramada，L。saliens和M. cephalus的标本取自于手工捕捞的埃布罗三角洲（Delta del Ebro）（40°38'N-0°44'E）。对于Carinata和O.labeo，使用从AFORO在线数据库中提取的照片。由于缺乏耳石样本，没有对血球菌进行研究。确定了该家族的囊状耳石的一般模式：耳石的形状为矩形到长方形，边缘不规则。他们呈现出一个异骨突，听骨窦沟，前缘有一个漏斗状的开口，闭合的管状尾部向后腹角终止，总是大于开口。在本研究中，可以使用其耳囊耳石形态来识别丘比特物种。在这里，我们为识别东北大西洋和地中海梭鱼提供了第一把钥匙。物种之间的显着特征是沟的位置和中心，马尾弯曲，区域沉积和高原的存在以及前后区域的类型。这些特征不仅可以用于通过物种的形态和亲缘特征来增强识别码，还可以用来识别食食动物（耳石是个体唯一可识别的遗骸）所消耗的物种。

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  • 来源
    《Estuarine Coastal and Shelf Science》 |2014年第5期|95-101|共7页
  • 作者

    Roberta Callico Fortunato; Vicent Benedito Dura; Alejandra Volpedo;

  • 作者单位

    Instituto de Investigaciones en Produccion Animal, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires (INPA - CONICET)/Centro de Estudios Transdisciplinarios del Agua (CETA-FVET-UBA), Av. Chorroarin 280 (C1427CWO), Buenos Aires, Argentina;

    Laboratorio de Ecologia, Departamento de Ingenieria Hidraulica y Medio Ambiente, Escuela Tecnica Superior de Ingenieros de Caminos, Canales y Puertos,Universidad Politecnica de Valencia, Camino de Vera S/N, 46071 Valencia, Spain;

    Instituto de Investigaciones en Produccion Animal, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires (INPA - CONICET)/Centro de Estudios Transdisciplinarios del Agua (CETA-FVET-UBA), Av. Chorroarin 280 (C1427CWO), Buenos Aires, Argentina,Consejo Nacional de Investigaciones Cientificas y Tecnicas - CONICET, Argentina;

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  • 正文语种 eng
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  • 关键词

    Mugilidae; sagitta otolith; morphology; identification; Northeastern Atlantic; Mediterranean Sea;

    机译：gil科;箭耳耳石形态学;鉴定东北大西洋;地中海;

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