Coral snake | 台北市立動物園資訊網

CoralsnakesinNorthAmericaaremostnotablefortheirred,yellow/white,andblackcoloredbanding.However,severalnonvenomousspecieshavesimilar( ...

Large group of elapid snakes

Coral snakes are a large group of elapid snakes that can be divided into two distinct groups, the Old World coral snakes and New World coral snakes. There are 27 species of Old World coral snakes, in three genera (Calliophis, Hemibungarus, and Sinomicrurus), and 83 recognized species of New World coral snakes, in two genera (Micruroides and Micrurus). Genetic studies have found that the most basal lineages have origins in Asia, suggesting that the group originated in the Old World.[1][2] While new world species of both genera are venomous, their bites are seldom lethal; only two confirmed fatalities have been documented in the past 100 years from the genus Micrurus. Meanwhile, snakes of the genus Micruroides have never caused a medically significant bite.[3]

Experts now recognize that certain coloration patterns and common mnemonics—such as the phrase “Red against yellow, deadly fellow; red against ...