Tarantulas come in different sizes and and colors. They range from 4.5-11 inches in length and weigh 1-3 ounces. They have strong jaws and fangs. they also have very hairy legs and bodies. They can even regrow lost legs !
Their defense is the pointy hairs on their bodies which can be rubbed on the attackers or even shot towards them. They also can raise their front legs in defense of an attacker to make them look bigger than they really are.