Presencia de Prosthenhystera obesa (Diesing, 1856) Travassos, 1920 (Trematoda, Digenea) en peces comestibles de agua dulce de México | Presencia de Prosthenhystera obesa (Diesing, 1856) Travassos, 1920 (Trematoda, Digenea) en peces comestibles de agua dulce de México
1967
Caballero y C., Eduardo | Jiménez G., Fernando
English. A digenetic trematode, Prosthenhystera obesa (Diesing, 1856) Travassos, 1920, is redescribed from one specimen isolated from the gaU bladder of the fresh-water fish, Centropomus undecimalis (Bloch, 1782), collected in the Río Jaltepec. southeastern Veracruz, México, near the town of Jesús Carranza. The parasite is considered conspecific with the Brazilian specimens in view of the similar position of the cirrus pouch, the reproductive pore and the uterus, plus the form of the digestive and the excretory systems. There are minor differences, in the arrangement al the vitellaria and in the position of the male reproductive organs, which differences are not theught te warrant recognition of a distinct species. The genus is monotypic and was known originally from Brazil; its occurrence in southeastern Mexico extends, its known geographic range to the northern neotropical region.
Show more [+] Less [-]Spanish; Castilian. Se describe un tremátodo digéneo encontrado en la vesícula biliar de un róbalo (Centropomus undecimalis) pescado en el Río Jaltepec, cerca de Jesús Carranza. Veracruz, México. El parásito se considera como de la especie Prosthenhystera obesa (Diesing, 1856) Travassos, 1920, a pesar de algunas diferencias como la posición de las glándulas vitelógenas y de los órganos masculinos. El género es monotípico y se conoció originalmente en Brasil; su presencia en el sureste de México amplía su distribución geográfica a la parte norte de la región neotropical.
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