Amphibians Amphibian Any of a class (Amphibia) of cold- blooded vertebrates (as frogs, toads, or salamanders) intermediate in many characters between fishes and reptiles and having gilled aquatic larvae and air-breathing adults An animal capable of living both on land and in water Frog Characterized by a short body, webbed digits (fingers or toes) Protruding eyes Absence of a tail Smooth skin Permeable skin Often semi-aquatic or inhabit humid areas, but move easily on land Lay their eggs in puddles, ponds or lakes Poison Dart Frog Salamander Characterized by their slender bodies, short noses, and long tails Four toes on front legs & five on rear legs Their moist skin usually makes them reliant on habitats in or near water, or under some protection (e.g., moist ground), often in a wetland Uniquely among vertebrates, they are capable of regenerating lost limbs, as well as other body parts Barred Tiger Salamander Toad Characterized by dry, leathery skin, brown coloration Wart-like parotoid glands A group of toads is called a "Knot." Toads cannot transmit warts to people through handling or skin contact Cane Toad (huge!) Invasive species in Australia The Crab-eating Frog Fejervarya cancrivora formerly Rana cancrivora Lives in the mangrove swamps of south east Asia Will eat crabs It is the only known modern species of amphibian that can tolerate saltwater conditions Up to or over 8cm The Marine Toad? Bufo marinus Despite its name does not live in or near the sea It is purely terrestrial, & goes to freshwater to breed cm 2 lbs. Clutch size 30,000 eggs! GOLIATH FROG!! Largest Frog in the WORLD! 12.5 inches in length 7.2 pounds Been on the earth for about 250 million years!! Juvenile frog in adults mouth Giant Chinese Salamander