Barred Danio

diagnosis

Diagnosis. Devario pathirana is distinguished from Sri Lankan congeners by the combination of the following characters and character states: it is the only completely barred Devario in the island, with 7 – 11 bars on the side of the body (vs fewer than 4 bars in D. malabaricus, D. micronema, D. memorialis, D. altus); P-stripe short, ending above the caudal peduncle (P-stripe long, extending uninterrupted above the caudal peduncle in D. malabaricus, D. micronema, D. memorialis, D. altus); anal-fin origin posterior to origin of dorsal fin, beneath 3 rd branched dorsal-fin ray (vs anal-fin origin on vertical through dorsal-fin origin in D. memorialis); 1 st infraorbital with an infraorbital process (vs infraorbital process absent in D. malabaricus, D. memorialis); preanal length 64.9 – 69.8 % SL (vs 58.5 – 63.8 % SL in D. memorialis); caudal peduncle length 15.7 – 19.6 % SL (vs 19.2 – 21.4 % SL in D. altus); caudal peduncle depth 11.3 – 13.1 % SL (vs 8.1 – 9.8 % SL in D. memorialis, 8.8 – 10.5 % SL in D. altus); body depth 32.4 – 36.9 % SL (15.9 – 22.6 % SL in D. memorialis; 21.8 – 26.0 % SL in D. altus); dorsal-fin height 20.6 – 24.3 % SL (vs 15.7 – 20.0 % SL in D. memorialis); dorsa

Species without borders: the diversification of giant danios in Sri Lanka (Teleostei, Danionidae, Devario)