Presence of a midlateral row of dark blotches along flank. Ventral adipose crest on caudal peduncle absent or less developed than dorsal one. No row of small spots directly below midlateral blotches (if present, then most prominent between pelvic and anal bases). Dorsal origin above or in front of pelvic origin. Distance between the two black spots at caudal base much less than their diameter. Interspaces between midlateral blotches usually with dark pigmentation (if there is little or no dark pigmentation, then no dark spots in narrow whitish saddle behind head. Body above midlateral blotches uniform brown or with small whitish to yellowish spots or speckles.