Population structure of Grenadier fish Coelorinchus Caelorhincus in deep waters of the colombian caribbean coast
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Date
2017
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The objective of the study is to describe the patterns of spatial distribution and size structure of Coelorinchus caelorhincus in deep-sea waters of Colombian Caribbean. The samples were collected with trawling in depths between 200 and 550 m. Statistically significant differences in the sizes of the sexes were found, indicating sexual dimorphism. The length structure by depth strata showed a size increase with depth for both females and males. The length at sexual maturity in females was 17.238 cm TL. The spatial distribution indicates that in the northeastern area the higher aggregations were off the coast of the Magdalena River, off Santa Marta and Riohacha cities. In the southwestern area the higher aggregations were towards the northern part of the Urabá Gulf.Estructura poblacional del pez macrúrido Coelorinchus caelorhincus en aguas profundas de la costa Caribe de Colombia. El objetivo de este estudio es describir los patrones de distribución espacial y estructura de tallas de Coelorinchus caelorhincus en aguas profundas del Caribe colombiano. Las muestras fueron tomadas con arrastre en profundidades entre 200 y 550 m. Existen diferencias significativas en las tallas de los sexos, indicando dimorfismo sexual. La estructura de longitud por estrato de profundidad mostró un incremento en talla con la profundidad para hembras y machos. La longitud de madurez sexual en hembras fue 17.238 cm LT. La distribución espacial indica que en el sector nororiental las altas agregaciones estuvieron afuera del río Magdalena, afuera de las ciudades de Santa Marta y Riohacha. En el sector suroccidental las altas agregaciones estuvieron hacia la parte norte del golfo de Urabá.
Journal
Boletín de Investigaciones Marinas y CosterasVolume
46Issue/Article Nr
1Page Range
pp.153-170Resource/Dataset Location
http://boletin.invemar.org.co/index.php/boletin/article/view/720/668ae974a485f413a2113503eed53cd6c53
10.25268/bimc.invemar.2017.46.1.720
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