Sonoran Coralsnake (Micruroides euryxanthus)

Native to central Arizona down into southwestern Sinaloa, Mexico, the Sonoran Coralsnake (Micruroides euryxanthus) is comprised of three subspecies, with the Arizona Coralsnake (Micruroides e. euryxanthus) being the only subspecies located in the U.S. M.euryxanthus australis is found in Sonora, Mexico, and M.euryxanthus neglectus is found in Sinaloa, Mexico. Several physical characteristics that differ fromRead More

Introduction to U.S. Coralsnakes

The United States is home to three species of venomous coralsnake in two genera. The Harlequin (Eastern) Coralsnake and the Texas Coralsnake are in the genus Micrurus, while the Arizona Coralsnake is placed in the genus Micruroides. All three species are venomous Elapids (Family Elapidae) and possess neurotoxic venom, which works to paralyze the nervousRead More

Coralsnake Envenomations

When most of you think of snakebites, you think of pit viper envenomation (or possibly the alcoholic beverage, which contains equal parts cider and lager – I’d totally like that!), and I get that. Nationally, 98% of snake envenomations are from the various pit vipers (rattlesnakes, water moccasins/cottonmouths, and copperheads). That said, coralsnakes are coolRead More

Introduction to New World Coralsnakes

New World Coralsnakes are native to North and South America. Three genera are represented (Micrurus, Leptomicrurus, and Micruroides). These venomous snakes are within the family Elapidae. Coralsnake venom is mainly neurotoxic, although many of them also possess several other types of toxins, including cardiotoxins and cytotoxins. Bites are somewhat uncommon (especially in the U.S.) butRead More