The Bengal cobra has a thick body and a fast growth rate. An adult Bengal cobra can weigh about ten pounds. Young Bengal cobras can grow to 5 pounds in ten months from hatching to adulthood. The head is oval, the neck can be expanded and flattened, the body length is 570-992mm, the tail length is 103-157mm, and the maximum body length can reach 2000mm.

The Bengal cobra is dark brown or taupe, with a yellowish-white ventral surface. Living in plains, hills and mountains, common in low forests, shrubs, bamboo forests, graves, farmland, streams and ditches, weeds. Fierce and aggressive. Polyphagous, feeding on small vertebrates such as rodents and frogs. Oviparous, vertically distributed at 450-1600m above sea level.