Genetic differentiation among populations of the cave fish Schistura oedipus (Cypriniformes: Balitoridae)

摘要: DNA sequences were determined for portions of the mitochondrial control region and 16S rRNA genes in five populations Schistura oedipus, a troglobitic fish from northwestern Thailand. Based on variation at seven sites out 593 sequenced, fall into three groups, apparently isolated by altitude distance. Nucleotide diversity within groups is order 1.0 × 10-3 while extra increment among 5.0 10-3. While are distinct, level differentiation them low enough to accept provisionally that represent single species. On basis sequence, oedipus appears be more closely related S. poculi than reidi, proposed sister taxon.