Corn Snake Length. Their docile nature, reluctance to bite, moderate adult size, attractive pattern, and comparatively simple care make them commonly kept pet snakes. How fast do corn snakes grow?

For interest, the oldest corn snake ever recorded was 32 years of age. Rat snakes are large, powerful, nonvenomous snakes that feed on a variety of prey species, which they overpower by constriction. How big do corn snakes get?