A larval frog or toad is a young amphibian that has not yet reached its adult stage. It is characterized by its croaking sound, which is made up of five letters in the crossword. Tadpoles are the larval form of frogs and toads, and they have an elongated body with a tail and eight letters in the crossword. They live in water and feed on algae and small aquatic animals. Tree frogs are a type of frog that lives in trees and has four letters in the crossword. They have adapted to life in the trees by having suction cups on their feet and toes.