Crotalus angelensis, or the ÃÂngel de la Guarda Island speckled rattlesnake, is a pit viper species endemic to Isla ÃÂngel de la Guarda in the Gulf of California, Mexico. Like all other pitvipers, it is venomous. It is sometimes treated as a subspecies of Crotalus mitchellii.
Grows to a maximum size of .
Found only on Isla ÃÂngel de la Guarda in the Gulf of California, Mexico. The type locality given is "about southeast of Refugio Bay, at elevation, Isla ÃÂngel de la Guarda, Gulf of California, Mexico (near 29ð29ý'N, 113ð33'W)".
Gravelly beaches along the shore; rocky arroyos, washes, and on the hillsides of the island's interior, from sea-level up to 500 m.
This species is classified as "Least Concern" (LC) on the IUCN Red List of Threatened Species. It occurs in a protected area and is very abundant within its small range.