When you’re a small frog in the jungle, you best be on the lookout as you’re on the menu of a variety of other animals. At about a half inch in length, frogs in the family microhylid – known as narrow-mouthed frogs – certainly fall into that category. But thanks to the unusual relationship some of these frogs in Peru, India and Sri Lanka have developed with different species of rather large tarantulas, they have a unique defense …an eight-legged bodyguard.