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The number of known amphibian species is approximately 8,000, of which nearly 90% are frogs. The smallest amphibian (and vertebrate) in the world is a frog from New Guinea (Paedophryne amauensis) with a length of just 7.7 mm (0.30 in).
List of amphibians. The temnospondyl Eryops had sturdy limbs to support its body on land. Red-eyed tree frog (Agalychnis callidryas) with limbs and feet specialised for climbing. Japanese giant salamander (Andrias japonicus), a primitive salamander. The bright colours of the common reed frog (Hyperolius viridiflavus) are typical of a toxic species.
Sea snake. Sea snakes, or coral reef snakes, are elapid snakes that inhabit marine environments for most or all of their lives. They belong to two subfamilies, Hydrophiinae and Laticaudinae. Hydrophiinae also includes Australasian terrestrial snakes, whereas Laticaudinae only includes the sea kraits (Laticauda), of which three species are found ...
Researchers evaluated the health of more than 8,000 amphibian species around the world and determined that nearly 41% — 2,871 in total — are globally threatened.
Many frogs have webbed feet and the degree of webbing is directly proportional to the amount of time the species spends in the water. [54] The completely aquatic African dwarf frog ( Hymenochirus sp.) has fully webbed toes, whereas those of White's tree frog ( Litoria caerulea ), an arboreal species, are only a quarter or half webbed. [ 55 ]
As of 2023, more than 242,000 marine species have been documented, and perhaps two million marine species are yet to be documented. An average of 2,332 new species per year are being described. [2][3] Marine life is studied scientifically in both marine biology and in biological oceanography.
The crab-eating frog (Fejervarya cancrivora) is a frog native to south-eastern Asia including Taiwan, [2] China, Sumatra in Indonesia, [3] the Philippines and more rarely as far west as Orissa in India. [4] It has also been introduced to Guam, most likely from Taiwan. [5] It inhabits mangrove swamps and marshes and is one of 144 known modern ...
"You literally can look down the shoreline and see 50 frogs on one side and 50 on the other and in the water you see 100 to 1,000 tadpoles. ... the fungus caused mass mortality and population ...