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Scientific name: Crotalus lepidus lepidus


The average size of a mature Mottled Rock Rattlesnake is 1.5 - 2 feet, with some getting as large as 2.5 feet.


The Mottled Rock Rattlesnake is a slender snake. The body color of the snake varies greatly based on the rock and mold colors that are common in the areas it is found. The body may be greenish, brown, grey, pinkish, or blue-grey. There are widely spaced dark blotches that sometime form crossbands. These blotches usually have serrated, saw-like edges. There are often small spots between the blotches.

The Mottled Rock Rattlesnake has elliptical pupils that look like cat's eyes and like all pit vipers, has a heat-sensing pit between the nostril and eye on each side of its head. The Banded Rock Rattlesnake has a relatively small triangular head that is only slightly wider than the neck when viewed from above. The end of the tail has a rattle on it.


In the United States, the Mottled Rock Rattlesnake is found in New Mexico and Texas.
Map of US states the Mottled Rock Rattlesnake is found in.
Map does not show area of true distribution, only the states in which there is a population.
Actual distribution in any highlighted state may be limited.

Mottled Rock Rattlesnake
Photo used by permission:
© 2006 Eric Marquette

For more information on venomous snakes, please see the Venomous Links page.

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