Diet composition and its relation to the characteristics of the digestive tract of the blue sea catfish, Ariopsis guatemalensis (Actinopterygii: Ariidae), in Barra de Navidad Lagoon, Jalisco, Mexico
Brenda Daniela Benítez Mondragón, Consuelo M. Aguilar Betancourt, G. G. Sansón, G. Ramírez, J. F. Ortega, S. Ramírez, Daniel Kosonoy Aceves
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引用次数: 1
Abstract
espanolSe investigaron la composicion de la dieta y las caracteristicas del tracto digestivo del chihuil Ariopsis guatemalensis en una laguna costera en el oeste de Mexico. Esta especie es consumida por habitantes locales, y ha sido utilizada como bioindicadora de contaminacion por aguas negras. El objetivo de este estudio fue determinar si los habitos alimentarios de la especie estan relacionados con las caracteristicas morfologicas macroscopicas y microscopicas del tracto digestivo. Se capturaron los especimenes en la laguna Barra de Navidad ( Jalisco, Mexico) de 2011 a 2016. De cada individuo recolectado, se midio la longitud total (LT) y se extrajeron el esofago, el estomago y el intestino para el analisis histologico y la identificacion de las entidades alimentarias en su dieta. Segun las caracteristicas macroscopicas y microscopicas del tracto digestivo y el analisis del contenido estomacal, A. guatemalensis tiene habitos carnivoros y preferencia por los peces gobidos. Los crustaceos fueron la segunda entidad alimentaria mas importante, de los cuales destacaron los cangrejos portunidos y los camarones de fango. El tamano y la posicion de la boca, la presencia de placas dentarias en el vomer, los palatinos, los premaxilares y la faringe, y la presencia de celulas caliciformes en el tracto digestivo son caracteristicas de peces que ingieren presas vivas de consistencia dura y fraccionan su alimento antes de que este pase al esofago. El intestino relativamente corto y los pliegues en la mucosa son caracteristicas de peces carnivoros. EnglishDiet composition and the characteristics of the digestive tract of the blue sea catfish, Ariopsis guatemalensis , in a coastal lagoon in western Mexico were investigated. This species is consumed by locals and it has been used as a bioindicator of sewage pollution. This study aimed to determine if the feeding habits of this species were related to the macroscopic and microscopic morphological characteristics of the digestive tract. Specimens were captured in the Barra de Navidad Lagoon (Jalisco, Mexico) from 2011 to 2016. For every fish collected, total length (TL) was recorded and the esophagus, stomach, and intestine were extracted for histological analyses and identification of food items in their diet. The macroscopic and microscopic characteristics of the digestive tract and the stomach content analysis indicate A. guatemalensis is a carnivorous species with preference for goby fish. Crustaceans were the second most important food item and were dominated by portunid crabs and mud shrimps. The size and position of the mouth, the presence of dental plates on the vomer, palatines, premaxilla, and pharynx, and the presence of goblet cells in the digestive tract are characteristic of fishes that consume live hard-bodied prey and crush their food before it enters the esophagus. The relatively short intestine and the folds in the mucous membrane are characteristic of carnivorous fishes
西班牙人在墨西哥西部的一个沿海泻湖研究了危地马拉chihuil Ariopsis危地马拉chihuil Ariopsis的饮食组成和消化道特征。该物种被当地居民食用，并已被用作污水污染的生物指标。本研究的目的是确定该物种的饮食习惯是否与消化道的宏观和微观形态特征有关。在墨西哥哈利斯科州的拉古纳巴拉德纳维拉尔湖采集标本。从每个收集的个体中测量总长度(LT)，取出食道、胃和肠进行组织学分析和饮食中食物实体的鉴定。根据消化道的宏观和微观特征以及胃内容物的分析，危地马拉A.危地马拉具有食肉习性和对鱼的偏好。甲壳类动物是第二大最重要的食物实体，其中最突出的是蟹和泥虾。方便和板位置的嘴,修补在vomer palatinos、premaxilares和咽caliciformes皮肤细胞在消化道是鱼类caracteristicas ingieren活产一致性的水坝和fraccionan食物之前此esofago进来。相对较短的肠道和粘膜褶皱是食肉鱼类的特征。= =地理= =根据美国人口普查，cdp的土地面积为，其中土地面积为。= =地理= =根据美国人口普查，该地区的总面积为，其中土地和(0.964平方公里)水。本研究旨在确定设若feeding habits of This species related to the macroscopic and microscopic morphological digestive的特征、土耳其。2011年至2016年，在墨西哥哈利斯科州的Barra de Navidad Lagoon捕获了标本。: fish, total length(土耳其里拉)was recorded and the esophagus, stomach, and intestine或For histological非洲and确定粮食items in their健怡。The macroscopic and microscopic digestive的特征、and The stomach content analysis表明a . guatemalensis是carnivorous species with preference for虾虎鱼fish。= =地理= =根据美国人口普查，这个县的总面积是，其中土地和(2.641平方公里)水。嘴的大小和位置，在呕吐物、腭、前颌和咽部的牙板的存在，以及在消化器官的杯状细胞的存在，都是鱼的特征，它们吃活的硬肉猎物，在进入食道之前把食物压碎。= =地理= =根据美国人口普查局的数据，这个城镇的总面积，其中土地和(1.)水。
期刊介绍：
A bilingual open-access publication, Ciencias Marinas (CM) is an international peer-reviewed journal that contains original research findings in all areas of marine science. It is published quarterly by the Autonomous University of Baja California, Mexico, and all its contents are publicly available on our journal website. Though a limited number of copies are still printed, the journal is mainly distributed in its electronic format.
CM was conceived in 1973 as part of an academic project aimed to entice local researchers to publicly disclose their findings by adopting the culture of peer-review publishing. This academic project evolved into an international journal after accepting papers from researchers in the United States and, eventually, other parts of the world. Because of the diversity in authorship, CM issues were initially published in either Spanish or English, and occasionally in both languages. It was not until 1984 when CM included both language versions of all its contents, and it then became the fully bilingual journal it still is today. At CM we believe our inclusive format allows us not only to address a wider range of submissions from international authors but also to make published findings available to a wider international audience.
So whether you are looking for information on the redfish in Icelandic waters or the physical and biological properties of the Gulf of California, feel free to peruse CM contents. You may find them to provide source material for your research.
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