Publicado

2017-01-01

A new species of Tisbintra (Harpacticoida, Tisbidae), and range extension for Geehydrosoma brevipodum (Harpacticoida, Cletodidae) from northern Colombia

Una nueva especie de Tisbintra (Harpacticoida, Tisbidae), y ampliación de ámbito de distribución de Geehydrosoma brevipodum (Harpacticoida, Cletodidae) del norte de Colombia

Palabras clave:

Harpacticoida, taxonomy, Caribbean Sea (en)
Harpacticoida, taxonomía, Mar Caribe (es)

Autores/as

  • Samuel Gómez Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Joel Montes Camarena s/n, Mazatlán, Sinaloa, México
  • Juan M. Fuentes-Reinés Universidad del Magdalena, Grupo de Investigación en Biodiversidad y Ecología Aplicada. Santa Marta, Magdalena, Colombia.

Water samples taken from the Rodadero Bay, Caribbean Colombian coast, yielded an undescribed species of harpacticoid copepod of the family Tisbidae, Tisbintra monroyi sp. nov. and a new record of Geehydrosoma brevipodum. The genus Tisbintra is composed of two species only, Tisbintra nankaurica known from Nicobar Islands (Bay of Bengal and Andaman Sea), and Tisbintra jonesi known from the Gulf of Mannar (southern India and western Sri Lanka) and the coast of Kenya. The new species can be separated from T. nankaurica and T. jonsei by the number of segments of the female and male antennule, relative length of the setae on the P5EXP, and the number of setae/spines in the female P6. The record of Tisbintra monroyi sp. nov. in Colombia is the first one of the genus outside the Indian Ocean. The new record of Geehydrosoma brevipodum, known previously from the Mexican Tropical Eastern Pacific, constitutes a range extension of the species to the Caribbean Colombian coast.

Se encontró una especie no descrita de copépodo harpacticoide de la familia Tisbidae, Tisbintra monroyi sp. nov. y un nuevo registro de Geehydrosoma brevipodum, en muestras de agua de Bahía del Rodadero, Costa del Caribe Colombiano. El género Tisbintra está compuesto solamente de dos especies, Tisbintra nankaurica, conocida de la Isla de Nicobar (Bahía de Bengala y Mar de Andamán), y Tisbintra jonesi, conocida del Golfo de Mannar (sur de India y oeste de Sri Lanka) y de las costas de Kenia. La nueva especie es diferente de T. nankaurica y T. jonsei en el número de segmentos de la anténula de la hembra y del macho, en la longitud relativa de las setas en la P5EXP y en el número de setas/espinas de la P6 de la hembra. El hallazgo de Tisbintra monroyi sp. nov. en Colombia es el primer registro del género fuera del Océano Indico. El hallazgo de Geehydrosoma brevipodum, conocida para el Pacífico Este Tropical Mexicano, constituye una ampliación de su ámbito de distribución hasta la costa del Caribe Colombiano.

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Cómo citar

Una nueva especie de Tisbintra (Harpacticoida, Tisbidae), y ampliación de ámbito de distribución de Geehydrosoma brevipodum (Harpacticoida, Cletodidae) del norte de Colombia. (2017). Caldasia, 39(1), 1-12. https://doi.org/10.15446/caldasia.v39n1.64583