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      Registros nuevos de cambáridos (Crustacea: Cambaridae: Procambarus ) en la cuenca del Grijalva-Usumacinta, Tabasco Translated title: New records of cambarids (Crustacea: Cambaridae: Procambarus ) from Grijalva-Usumacinta Basin, Tabasco

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          Abstract

          Desde hace 60 años las poblaciones de acociles del grupo mexicanus han sido olvidadas, y en el presente trabajo se actualizan los registros de las poblaciones de los grupos mexicanus y pilosimanus presentes en Tabasco. Los acociles fueron recolectados con redes de arrastre y trampas en las subcuencas Grijalva y Usumacinta en mínima (MII) y máxima inundación (MAI). A los organismos identificados se les determinó la forma reproductora: macho (MFI), en descanso (MFII) y hembra (H), y se determinaron valores biométricos promedio. De un total de 386 organismos, 44 fueron Procambarus (Austrocambarus) acanthophorusVillalobos, 1948; 40 P. (A.) zapoapensis Villalobos, 1954; 8 P. (A.) veracruzanus Villalobos, 1954; 5 P. (A.) ruthveni Pearse, 1911, y por último 289 fueron P. (A.) llamasi ; esta última especie se distribuyó exclusivamente en la subregión Ríos, en ambientes palustres con inundación temporal, y el resto de las especies en la subregión Sierra en áreas de uso de suelo agrícola y de serranía. Se presenta la ampliación de distribución y nuevos registros de cambáridos para Tabasco.

          Translated abstract

          The study of the populations of the mexicanus group has been abandoned for the last 60 years, and there are few records of its species. This study updated the records of the populations of the mexicanus and pilosimanus groups present in the state of Tabasco. The crayfish were collected with otter trawls and traps in the Grijalva and Usumacinta sub-basins throughout an annual cycle, during the seasons of minimum (MII) and maximum (MAI) flooding. The specimens were identified following the conventional taxonomic criteria, and they were measured and sexed as male (MFI), at rest (MFII) and female (H). A total of 386 specimens were collected: 44 specimens of Procambarus (Austrocambarus) acanthophorusVillalobos, 1948; 40 specimens of P. (A.) zapoapensis Villalobos, 1954; 8 P. (A.) veracruzanus Villalobos, 1954; 5 P. (A.) ruthveni Pearse, 1911, and 289 specimens of P. (A.) llamasi Villalobos, 1954. Procambarus (Austrocambarus) llamasi was distributed exclusively in the subregion Ríos, in wetland habitats subject to seasonal flooding, and the other species were found in the subregion Sierra in agricultural and hilly areas. New records and extended distribution ranges of cambarids of the state of Tabasco are presented.

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          Conservation Status of Crayfishes of the United States and Canada

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            Distribution of the Red Swamp Crayfish Procambarus clarkii (Girard, 1852) (Decapoda: Cambaridae) in Mexico: An Update

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              Freshwater fishes of México

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología
                2007-8706
                2015
                : 86
                : 3
                : 620-628
                Affiliations
                [1 ] Colegio de la Frontera Sur Mexico
                [2 ] Universidad Autónoma Metropolitana Mexico
                Article
                S1870-34532015000300620
                10.1016/j.rmb.2015.04.036
                ff07a084-f2ba-4d54-83d2-42c29cd9822e

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                Categories
                Biodiversity Conservation

                Animal science & Zoology
                Grupos mexicanus y pilosimanus,Procambarus,Morfometría,Distribución,Tabasco,Mexicanus and pilosimanus groups,Morphometrics,Distribution

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