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      Captura de una presa inesperadamente grande por el pez Centropomus undecimalis (Perciformes: Centropomidae) Translated title: Capture of an unexpectedly large prey by the fish Centropomus undecimalis (Perciformes: Centropomidae).

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          Abstract

          Resumen Introducción: El pez Centropomus undecimalis ingiere presas enteras nadando rápidamente hacia ellas y extendiendo sus mandíbulas. Es un depredador no violento que sigue una proporción de tamaño depredador-presa. Objetivo: Informar un caso de depredación de C. undecimalis, una presa desproporcionadamente grande. Métodos: Se examinó el pescado recién capturado de la laguna El Carmen, Tabasco, México. Resultados: dentro de un C. undecimalis se encontró un Gobionellus oceanicus que tenía el 56% de la longitud de su depredador; la presa estaba doblada en el estómago de su depredador y tenía una herida por mordedura en el medio. Conclusiones: aparentemente, C. undecimalis atrapó a la presa con un solo mordisco y se la tragó doblando el cuerpo por la mitad: la longitud de presa no es el único determinante de cuándo una presa es capturada con éxito por este pez.

          Translated abstract

          Abstract Introduction: The fish Centropomus undecimalis ingests whole prey by swimming rapidly and extending its jaws. It is a non-violent predator that follows a predator-prey size relationship. Objective: To inform a case of predation of C. undecimalis, a disproportionally large prey. Methods: Freshly caught fish from El Carmen lagoon, Tabasco, Mexico, were examined. Results: a Gobionellus oceanicus that was 56% the length of its predator, was found inside a C. undecimalis; the prey was bent in the stomach of its predator and had a bite wound in the middle of its body. Conclusions: apparently, C. undecimalis caught the prey with a single bite and swallowed it by folding the body in half: prey length is not the only determinant of when a prey is successfully captured by this fish.

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          Most cited references29

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          The influence of oral anatomy on prey selection during the ontogeny of two percoid fishes, Lagodon rhomboides and Centropomus undecimalis

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            Peces dulceacuícolas de México

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              Reproductive variability of the Common snook, Centropomus undecimalis, in environments of contrasting salinities interconnected by the Grijalva-Usumacinta fluvial system.

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                Author and article information

                Journal
                cinn
                Cuadernos de Investigación UNED
                Cuadernos de Investigación UNED
                Universidad Estatal a Distancia de Costa Rica (Sabanilla, Montes de Oca, Sabanilla, Montes de Oca, Costa Rica )
                1659-4266
                1659-4266
                December 2020
                : 12
                : 2
                : 593-600
                Affiliations
                [1] orgnameColegio de Postgraduados orgdiv1Campus Tabasco, Periférico Carlos A. Molina s/n Mexico sssoto@ 123456colpos.mx
                Article
                S1659-42662020000200593 S1659-4266(20)01200200593
                10.22458/urj.v12i2.2835
                a474ddb9-7eed-4c1c-9350-f4a06c364dce

                This work is licensed under a Creative Commons Attribution 3.0 International License.

                History
                : 11 March 2020
                : 24 June 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 29, Pages: 8
                Product

                SciELO Costa Rica


                predation,Highfin goby,Common snook,Coastal lagoon,sureste de México,depredación,gobio de aleta alta,robalo común,Laguna costera,southeast Mexico

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