Means and ranges of K2P distance values (%) for the COI gene region at different taxonomic levels for the ray species analysed in this study.

<p>Means and ranges of K2P distance values (%) for the COI gene region at different taxonomic levels for the ray species analysed in this study.</p

Phylogenetic relationship of rays Part I.

<p>Reduced view of the neighbour-joining tree based on COI sequence data using Kimura-two-parameter substitution model (left); the first part of the tree (right). Names in red are the sequences obtained in this study, the corrected nomenclature is in () and given in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0036479#pone.0036479.s002" target="_blank">Table S2</a>.</p

Multidimensional Scaling (MDS) of <i>Neotrygon kuhlii.</i>

<p>Ningaloo Reef (NR), northern Indian Ocean (NIO), Great Barrier Reef (GBR), Japan (Jap), Southeast Asia (SEA);.</p

Phylogenetic relationship of rays Part III.

<p>Third part of the Neighbour-joining tree based on COI sequence data using Kimura-two-parameter substitution model (left); the third part of the tree (right). Names in red are the sequences obtained in this study, the corrected nomenclature is in () and given in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0036479#pone.0036479.s002" target="_blank">Table S2</a>.</p