Funding for this research was provided by:
Ministry of Science and Technology, Higher Education Professional Training of Mozambique (05.01.2015)
Text and Data Mining valid from 2019-03-22
Received: 21 June 2018
Accepted: 2 February 2019
First Online: 22 March 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of the Faculty of Science, University of Johannesburg, nr 2016-11-28/Dumbo and all procedures for collection, transportation and examination of fish comply with the ethical standard guidelines for manipulation and use of laboratory animals in South Africa. The collection permit for this study was issued by the Ministry of Sea, Inland Waters and Fisheries of Mozambique, number 1148/590/GM-MIMAIP/SIC/2016 of 16 June 2016.