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Article History

Received: 24 January 2018

Accepted: 18 June 2018

First Online: 3 July 2018

Ethics approval and consent to participate

: The work was authorized by the Subsecreataria de Pesca y Acuicultura del Gobierno de Chile (SUBPESCA) and by the Servicio Nacional de Pesca y Acuicultura del Gobierno de Chile (SERNAPESCA), Authorization No. 740. All procedures were made according to international protocols for animal testing and authorized by the Ethic Committee in Animal Experimentation (protocol number 4509/08) of Universidade Estadual de Ponta Grossa . The fish individuals were transported to the laboratory and anaesthetized with clove oil before processing.

: We have read and understood your journal’s policies, and we believe that neither the manuscript nor the study violates any of these. Thus, all authors agree to the submission and publication of this manuscript in Revista Chilena de Historia Natural .

: The authors have declared that no competing interests exist.

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