Piper
The sharp-nosed adder is also known as the seven-step snake, the hundred-step snake, and the five-step snake. As the name suggests, if you are bitten by this snake, you will definitely die from the poison within about a hundred steps, which shows that the bite of the sharp-nosed adder is extremely venomous; Because there are different explanations for each occasion, in some cases the sharp-nosed adder is called a "five-step snake" to further exaggerate its poisonous ability.
The head of the adder is relatively large and triangular in shape. The end of its snout has a short and upturned protrusion formed by the snout scales and the nasal scales. The back of the head is dark brown, with large symmetrical scales and cheek pits. The back of the body is dark brown or tan, with a row of 15-21+2-6 large square patches in the middle of the back. The ventral surface is white with interwoven dark brown patches. The body shape is short, the longest male is 1335+206 mm, and the female is 1238+165 mm. Dorsal scales 21(23)-21(23)-17⒆ rows, the outermost 1 to 3 rows only have very thin weak ribs, the others all have nodular strong ribs, and the body surface is rough; abdominal scales are 152-169 in males and 169 in females. 162～171. Anal scales complete. The scales under the tail range from 51 to 61 in males and from 48 to 63 in females, mostly in double rows. There is a scale on the tip of the tail that is flat on the side and long in point, commonly known as "Buddha's nail".
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