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Population structure of the black arowana (Osteoglossum ferreirai) in Brazil and Colombia: implications for its management

In regions with high biodiversity, where species are exploited as a source of income, it is essential to learn more about the species that are being commercialized. For the ornamental fish black arowana (Osteoglossum ferreirai), distributed only in Colombia and Brazil, there is currently a lack of information about population estimates in each location, genetic data and lastly, about the events that lead to the current distribution of the species. A genetic population study was conducted by sequencing the mitochondrial genes cytochrome b and ATPase 6, and genotyping of eight microsatellite loci. Mitochondrial gene results indicated the absence of variable sites, and the microsatellite results showed a significantly lower hetero- zygosity than expected demonstrating that currently the genetic diversity of the species is low. The fact that this species is been exploited and that it shows low genetic diversity means it can quickly become endangered. For this reason, conservation, management and use programs for the black arowana should include and consider the genetic data obtained as well as additional life history and ecological factors to promote its sustainable use.

Certificado en PDF
Número del certificado1709DAC94E2
Fecha del certificado2020-03-03
Certificado en PDFdescargar (56 KB)
Contacto del recurso
NombreSusana Caballero
PosiciónProfesora asociada
OrganizaciónUniversidad de los Andes
Dirección Cra. 1 #18a 12, Bogotá, Cundinamarca, COLOMBIA, Código postal: 111711
Contactosj.caballero26@uniandes.edu.co Tel: 339 49 99
Página Webhttps://uniandes.edu.co/
Contacto del permiso
NombreYiselle Cano
PosiciónAnalista laboratorio
OrganizaciónUniversidad de los Andes
Dirección Cra. 1 #18a 12, Bogotá, Cundinamarca, COLOMBIA, Código postal: 111711
Contactoyp.cano137@uniandes.edu.co Tel: 339 49 99
Página Webhttps://uniandes.edu.co/
Proveedor de los metadatos
NombreSusana Caballero
PosiciónProfesora asociada
OrganizaciónUniversidad de los Andes
Dirección Cra. 1 #18a 12, Bogotá, Cundinamarca, COLOMBIA, Código postal: 111711
Contactosj.caballero26@uniandes.edu.co Tel: 339 49 99
Página Webhttps://uniandes.edu.co/
Información del Permiso
Autoridad ambientalMinisterio de Ambiente y Desarrollo Sostenible
Número del permisoArtículo 252 de la Ley 1753 de 2015
Titular del permisoUniversidad de los Andes
Nit o cédula860.007.386-1
Fecha de emisión2015-06-09
Cobertura Geográfica
DescripciónColombia CO Vichada Puerto Carreño Laguna Tuteque Colombia CO Vichada Puerto Carreño Río Bita
Coordenadas6.189, 6.189 / -67.483, -67.483 (Latitud mínima, máxima / Longitud mínima/máxima)
Cobertura Taxonómica
Descripción Peces de la especie Osteoglossum ferreirai
Especie Osteoglossum ferreirai
Cobertura Temporal
Fecha inicial / Fecha final2010-01-01 / 2011-01-01
Métodos de Muestreo
Descripción del muestreoA total of 143 muscle samples were collected for this study. Twenty samples of black arowana were collected along the Bita river and 51 samples were collected in the Tuteque lagoon, one of the body waters of the Bita river, in the Colombian orinoco. A total of 72 samples were collected from the Negro river in Brazil from three different regions: 53 samples from the locality of Barcelos, 8 samples from Santa Isabel and 11 samples from Moura. All tissue samples were preserved in ethanol at 70 % and stored at 4 C. Genomic DNA was extracted using the QIAGEN DNeasy tissue kits and the extraction protocol using CTAB 2 % (Doyle and Doyle 1987).
Palabras Clave
Osteoglossum ferreirai Black arowana Population genetics Microsatellites Ornamental fish trade Conservation; Specimen