Lanka, are reviewed, recognising three new species. Molecular phylogenetic analysis
based on mitochondrial cytochrome oxidase subunit 1 and cytochrome b gene sequences,
delineated species of Dawkinsia into two distinct monophyletic lineages, representing two
different species groups, viz., the 'assimilis' and 'filamentosa'species groups. Within the
'assimilis' group we describe two new species, Dawkinsia apsara and D. austellus …