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Stowaways in the catch: Identification of Xenobrama microlepis in the haul fishery for Brama australis

Authors

CORRESPONDING

Cristian B. Canales-Aguirre

cristian.canales@ulagos.cl

1

1

Centro i~mar, Universidad de Los Lagos, Camino Chinquihue Km 6, Puerto Montt, Chile

2

2

Laboratorio de Genética y Acuicultura, Departamento de Oceanografía, Universidad de Concepción, Barrio Universitario S/N, Concepción, Chile

Victoria Herrera-Yáñez

2

2

Laboratorio de Genética y Acuicultura, Departamento de Oceanografía, Universidad de Concepción, Barrio Universitario S/N, Concepción, Chile

Sandra Ferrada-Fuentes

2

2

Laboratorio de Genética y Acuicultura, Departamento de Oceanografía, Universidad de Concepción, Barrio Universitario S/N, Concepción, Chile

3

3

Programa de Doctorado en Sistemática y Biodiversidad, Universidad de Concepción, Barrio Universitario S/N, Concepción, Chile

Ricardo Galleguillos

2

2

Laboratorio de Genética y Acuicultura, Departamento de Oceanografía, Universidad de Concepción, Barrio Universitario S/N, Concepción, Chile

Abstract

Species that occur in low abundances and that are morphologically similar to the target fish are often undetectable in fisheries hauls; however, they add to the catch statistics of the target species. Using mitochondrial DNA and phylogenetic approaches we identified 6 individuals of the species Xenobrama microlepis in a haul targeting the southern Ray’s bream (Brama australis) taken by artisanal fishermen close to Chilean coast. The presence of X. microlepis increases the regional marine biodiversity of fishes in Chilean waters, and fisheries managers should pay attention to the hidden biodiversity in the fishery statistics.

Key words

Molecular taxonomy, hidden biodiversity, barcode, COI

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