Retraction to: Rev Fish Biol Fisheries (2013) 23:23–39 DOI 10.1007/s11160-012-9279-1

This article has been retracted at the request of the Publisher and Editor-in-Chief due to a violation of Springer’s Publishing Principles as part of the content of the article DOI 10.1007/s11160-012-9279-1 has been duplicated from different research papers. The authors apologize to the Editors and readers as well as the authors of the original papers.