The Oxus cobra contains what kind of ions for their venom to be active?
Caspian cobra The Caspian cobra ("Naja oxiana"), also called the Central Asian cobra, Oxus cobra or Russian cobra, a member of the family Elapidae found in Central Asia.
Oxyrhopus Oxyrhopus is a genus of colubrid snakes that belong to the subfamily Xenodontinae. The genus is found in Central America and the northern part of South America,