Eastern tiger salamanders are big, with a normal length of 6–8 inches (15–20 cm). They can grow up to 14 inches (36 cm) in length. Grown-ups are usually spotted with grey, green, or black, and have large eyes. They have short mouths, big necks, strong legs, and long tails. They eat small insects and worms. Sometimes, grown ups eat small frogs and baby mice