Link list » NON VENOMOUS SNAKES » SEMI-VENOMOUS SNAKE   INDIAN COMMON KRAIT   Description The body colour varies from a dark steely  blue - black  to a pale faded bluish  grey . The average length is 0.9 meters (2 ft 11 in) but they can grow to 1.75 meters (5 ft 9 in). [1]  Subcaudal scales