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Identifying pelagic fish eggs in the southeast Yucatan Peninsula using DNA barcodes

Leyva Cruz, Elva María Maestra | Vásquez Yeomans, Lourdes [autor/a] | Carrillo Bibriezca, Laura Elena [autor/a] | Valdez Moreno, Martha [autor/a].
Tipo de material: Artículo
 en línea Artículo en línea Tema(s): Huevas de peces | Códigos de barras de ADN | Población de peces | ZoogeografíaTema(s) en inglés: Fishes eggs | DNA barcoding | Fish populations | ZoogeographyDescriptor(es) geográficos: Reserva de la Biosfera Banco Chinchorro (Quintana Roo, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Genome. volumen 59, número 12 (December 2016), páginas 1117-1129. --ISSN: 1480-3321Número de sistema: 12870Resumen:
Inglés

In the waters surrounding Banco Chinchorro in the Mexican Caribbean are spawning and nursery areas for many types of fish. In this natural environment, as opposed to under controlled laboratory conditions, it is almost impossible to link an individual egg to the adult that laid it. This makes identifying the species of the eggs difficult. However, DNA barcodes have made this easier. In the present study, 300 eggs were processed for molecular analysis, from which 139 sequences were obtained.Weidentified 42 taxa (33 species with their binomial names), 35 genera, and 24 families. The identified eggs included those from Ariomma melanum, which is the first recording of this species in the Mexican Caribbean. Eggs from economically important fish species were also identified, including frigate tuna (Auxis thazard), crevalle jack (Caranx hippos), common dolphinfish (Coryphaena hippurus), sailfish (Istiophorus platypterus), white marlin (Kajikia albida), skipjack tuna (Katsuwonus pelamis), blackfin tuna (Thunnus atlanticus), and swordfish (Xiphias gladius). We have also described new morphological characteristics and captured photographs for 21 species, as well as obtained new information about spawning locality and time for 16 species. This valuable information will provide the basis to develop more effective conservation measures for sustainable fisheries and protection of the Mesoamerican Barrier Reef System.

Recurso en línea: http://www.nrcresearchpress.com/doi/abs/10.1139/gen-2015-0151?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed#.WPZa7bi1sY2
Lista(s) en las que aparece este ítem: Lourdes Vásquez Yeomans
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Disponible para usuarios de ECOSUR con su clave de acceso

In the waters surrounding Banco Chinchorro in the Mexican Caribbean are spawning and nursery areas for many types of fish. In this natural environment, as opposed to under controlled laboratory conditions, it is almost impossible to link an individual egg to the adult that laid it. This makes identifying the species of the eggs difficult. However, DNA barcodes have made this easier. In the present study, 300 eggs were processed for molecular analysis, from which 139 sequences were obtained.Weidentified 42 taxa (33 species with their binomial names), 35 genera, and 24 families. The identified eggs included those from Ariomma melanum, which is the first recording of this species in the Mexican Caribbean. Eggs from economically important fish species were also identified, including frigate tuna (Auxis thazard), crevalle jack (Caranx hippos), common dolphinfish (Coryphaena hippurus), sailfish (Istiophorus platypterus), white marlin (Kajikia albida), skipjack tuna (Katsuwonus pelamis), blackfin tuna (Thunnus atlanticus), and swordfish (Xiphias gladius). We have also described new morphological characteristics and captured photographs for 21 species, as well as obtained new information about spawning locality and time for 16 species. This valuable information will provide the basis to develop more effective conservation measures for sustainable fisheries and protection of the Mesoamerican Barrier Reef System. eng

Dans les eaux qui entourent le Banco Chinchorro dans la portion mexicaine des Caraïbes se trouvent des frayères et des aires d'alevinage pour plusieurs espèces de poissons. Dans cet environnement naturel, par opposition aux conditions de laboratoire, il est presque impossible de relier un oeuf a` l'adulte qui l'a pondu. Ceci rend difficile l'identification de l'espèce des oeufs. Cependant, les codes a` barres d'ADN rendent cela plus facile. Dans le présent travail, 300 oeufs ont été assujettis a` une analyse moléculaire, a` partir de laquelle 139 séquences ont été obtenues. Les auteurs ont identifié 42 taxons (33 espèces sur la base de la nomenclature binomiale), 35 genres et 24 familles. Les oeufs identifiés incluent ceux de l'Ariomma melanum, dont il s'agit d'une première observation dans cette portion des Caraïbes. Les oeufs d'espèces importantes sur le plan économique ont également été identifiés, incluant l'Auxis thazard, la carangue crevalle (Caranx hippos), le coryphène (Coryphaena hippurus), le voilier (Istiophorus platypterus), le Kajikia albida, la bonite a` ventre rayé (Katsuwonus pelamis), le thon (Thunnus atlanticus) et l'espadon (Xiphias gladius). Les auteurs ont également décrit de nouvelles caractéristiques morphologiques et obtenu des photographies de capture pour 21 espèces, de même que des informations nouvelles sur l'emplacement des frayères et la période de fraie pour 16 espèces. Cette information précieuse fournira l'assise pour mettre au point des mesures de conservation plus efficaces pour assurer la durabilité de la pêche et la protection de la barrière de corail méso-américaine. fra

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