Unlike Checkered Keelback (F. piscator) it is narrowly distributed and found around Himalayan regions also in South Bengal and Odisha.

Dorsal body- Body stout with keeled scales on top and smoother on side rows.

Dorsal color olive brown with 6 rows of boxes or bars which gradually become faint of posterior body.

Head- Head triangular with smooth and shiny scales; broader than neck.

Color olive brown with two black subocular streaks; anterior below and posterior reaches to last few supralabials.

Found in fresh waterbodies of low to moderate elevations of Indian subcontinent.

Behavior alert, comparatively timid than its sister species Checkered keelback (X. piscatos) and usually try to escape.

Found in patched form in states of Assam, Bihar, Odisha, Uttar Pradesh, West Bengal.