Acknowledgements
We would like to thank the authors of this issue for their contributions, and gratefully acknowledge the Consortium for the Barcode of Life for paying the required fees to make the papers in this special issue freely available online. The genesis of this special issue derives from a FISH-BOL Technical Session that took place at the 3rd International Barcode of Life Conference in Mexico City in November 2009. This issue is dedicated to future researchers who will make use of these barcodes to deepen our understanding of the ecology, natural history and taxonomy of fishes for the benefit of their conservation.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.