Cobra
Cobra is the common name of various elapid snakes, most of which belong to the genus "Naja". Biology. All of the known cobras are venomous and many are capable of rearing upwards and producing a hood when threatened. Other snakes known as "cobras". Other "cobra" genera and species are as follows: The false water cobra ("Hydrodynastes gigas") is the only "cobra" species that is not a member of the Elapidae. It does not rear upwards, produces only a slight flattening of the neck when threatened, and is only mildly venomous.