The amphibians Amphibians have a complex and unique lifecycle. From their eggs, born larvae that live always into water. After grow quickly, larvae become adults. All adult amphibians are predators and most of them eat insects and little invertebrate animals. They use to have a lonely life, except when they have to reproduce. About the image: Axolotl o ajolote (Ambystoma mexicanum) Adults from this species are in critical danger, in nature rarely survive in Mexico City lakes, axolotls have external gills and they never get out from water.