The largest species of salamanders is the Giant JapaneseSalamander which is over a meter in length. It is a fresh wateranimal. Different species are specialized for feeding on differentthings. Some of larvae are scavengersfeeding on dead animal parts. Adult salamanders are carnivoresand insectivores as well.
Courtship involves various kinds of swimming behavior.
Frequently, the animals have very brightly colored areas on theirskin that they display in a very stereotyped fashion during thiscourtship. The courtship usually involves the productions ofpheromones - a chemical produced by one member of the species andused to signal something to another member of the species. Notonly sexual information is transmitted by pheromones amongvertebrate animals. The pheromones are produced by glands on themale salamanders that are called hedonic glands. Fertilization in most species is internal.