Taxonomic Class

Amphibians Encyclopedia

Cold-blooded vertebrates that metamorphose from water-breathing to air-breathing. Showing 10 species cataloged in this class.

Mammals Birds Reptiles Amphibians Fish Invertebrates

African Clawed Frog

African Clawed Frog

Xenopus laevis

Diet: Opportunistic aquatic carnivore and scavenger
Wild lifespan: Often 10–15 years; exceptional captive records exceed 20 years

American Bullfrog

American Bullfrog

Lithobates catesbeianus

Diet: Carnivore as an adult; tadpoles graze algae and organic material
Wild lifespan: Often about 7–9 years

American Toad

American Toad

Anaxyrus americanus

Diet: Insectivore
Wild lifespan: Often several years in the wild; exceptional individuals live longer

Axolotl

Axolotl

Ambystoma mexicanum

Diet: Carnivore
Wild lifespan: Poorly documented in the remnant wild population

Cane Toad

Cane Toad

Rhinella marina

Diet: Opportunistic carnivore
Wild lifespan: Often 5–10 years; can live longer in managed care

Golden Poison Frog

Golden Poison Frog

Phyllobates terribilis

Diet: Insectivore
Wild lifespan: Wild longevity is not well quantified; managed frogs may live more than 10 years

Hellbender

Hellbender

Cryptobranchus alleganiensis

Diet: Carnivore
Wild lifespan: Often 25–30 years and potentially longer

Red-Eyed Tree Frog

Red-Eyed Tree Frog

Agalychnis callidryas

Diet: Nocturnal insectivore
Wild lifespan: Wild longevity is poorly measured; managed individuals may live several years

Tiger Salamander

Tiger Salamander

Ambystoma tigrinum

Diet: Carnivore
Wild lifespan: Potentially more than a decade, but wild survival varies strongly among populations

Wood Frog

Wood Frog

Lithobates sylvaticus

Diet: Insectivore
Wild lifespan: Usually 4–5 years, sometimes longer