Diagrams of morphometric measurements of Dysomma anguillare. (A) Lateral view (B) Dorsal view (C) Head view. Abbreviations: X1 = total length, X2 = body length, X3 = anal length, X4 = tail length, X5 = postanal length, X6 = trunk length, X7 = body height, X8 = head length, X9 = head breadth, X10 = body width, X11 = oral fissure height, X12 = oral fissure width, X13 = oral fissure length, X14 = eye diameter, X15 = head length after eye, X16 = interocular distance, X17 = snout length, X18 = upper jaw length, X19 = lower jaw length, X20 = distance from snout to anterior nostril, X21 = distance from snout to posterior nostril, X22 = distance from snout to dorsal fin origin, X23 = distance from snout to anal fin origin, X24 = distance from the anal fin origin to the anus, X25 = distance from the first aperture of lateral line to snout, X26 = distance from dorsal fin origin to anal fin origin, X27 = pectoral fin length.