Clelia is a genus of snakes,one of three genera with species with the common name Mussurana or musurana (Portuguese: muçurana) It is a genus of large snakes in the family Colubridae. The genus is endemic to Central America and South America, and species of Clelia are found from southern Mexico to Brazil. They specialize in ophiophagy, i.e., they attack and eat other snakes. Currently seven species are recognized as being valid. They have other popular names in various countries, such as zopilota in Central America and cribo on some Caribbean islands (though they are not related to Drymarchon). Species The genus Clelia contains the following species which are currently recognized: Clelia clelia – black mussurana, windward cribo Clelia equatoriana – equatorial mussarana Clelia errabunda – Underwood's mussurana, Saint Lucia cribo (extinct) Clelia hussami Clelia langeri Clelia plumbea Clelia scytalina – Mexican snake eater Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Clelia. Etymology The specific name, hussami, is in honor Brazilian herpetologist Hussam Zaher. The specific name, langeri, is in honor of German-born Dominican friar Brother Andres Langer, who is a missionary in Pampagrande, Bolivia. Description Mussuranas have an average total length (including tail) of about , but may grow up to about . When young, the dorsal color is light pink, which becomes lead-blue when adult. The ventral color is whitish yellow. They have 10 to 15 teeth at the front of the upper jaw, which are followed, after a space, by two enlarged grooved teeth at the back of the mouth (opisthoglyphous teeth) which they use to grasp the head of the attacked snake and push it into the gullet. Then they coil around the prey, killing it by constriction (this is the reason these species are called pseudoboas). Ingestion of the whole body follows. The long body of the ingested snake is compressed as a wave in order to fit into the mussuranas' gastrointestinal system. Reproduction Mussaranas are oviparous. Venom Although mussuranas are rear-fanged and produce a mild venom, these snakes pose no danger to humans. Even when handled they usually do not bite. Very few envenomations have been reported and they were not fatal. Mussuranas are immune to the venom of the snakes they feed upon, particularly the smaller Central and South American pit vipers of the genus Bothrops. They are not immune to the