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Article History

Received: 1 August 2017

Accepted: 30 July 2018

First Online: 30 October 2018

Competing interest

: The authors declare that they have no competing interests.

: There is presently no ethical committee on the use of fish for research purposes in Nigeria, but this study is in compliance with international guidelines for the fish use and handling.

: The manuscript does not contain any individual person’s data.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.