Crotalus aquilus

Common names: Querétaro dusky rattlesnake,^[2] Queretaran dusky rattlesnake.^[3]

Crotalus aquilus is a venomous pitviper species found in the highlands of central Mexico. No subspecies are currently recognized.^[4]

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Description

This species grows to a maximum reported total length of 67.8 cm in length. However, most adult specimens, which are described are heavy-bodied, are less than 50 cm in length.^[2]

Geographic range

Found in the highlands of central Mexico in the states of Guanajuato, Hidalgo, México, Michoacán and San Luis Potosí. The type locality given is "near Alvarez, San Luis Potosí, Mexico."^[1]

Habitat

These snakes are found in the open grassy and generally rocky habitats north of the Transverse Volcanic Cordillera. They also occur in pine-oak forest, open karstic areas, grassy mountain meadows and stony mesquite-grassland.^[2]

Conservation status

This species is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2001).^[5] Species are listed as such due to their wide distribution, presumed large population, or because it is unlikely to be declining fast enough to qualify for listing in a more threatened category. The population trend is down. Year assessed: 2007.^[6]

See also

• List of crotaline species and subspecies
• Crotalus by common name
• Crotalus by taxonomic synonyms
• Crotalinae by common name
• Crotalinae by taxonomic synonyms
• Snakebite

References