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Telmatobius culeus
''Telmatobius culeus'', commonly known as the Titicaca water frog, is a very large and critically endangered species of frog in the Telmatobiidae family.〔Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani and Young, editors (2008). ''Threatened Amphibians of the World.'' ISBN 978-84-96553-41-5〕 It is entirely aquatic and only found in Lake Titicaca and rivers that flow into this lake in South America. While the lungs are greatly reduced, this frog has excessive amounts of skin, used to help the frog respire in the high altitude in which it lives.〔2004, (Amphibiaweb ), IUCN, Conservation International, and NatureServe〕
In reference to its excessive amounts of skin, it has also jokingly been referred to as the Titicaca scrotum water frog.
In the early 1970s, an expedition led by Jacques Cousteau reported frogs up to in outstretched length, with individuals commonly weighing , making these some of the largest exclusively aquatic frogs in the world (the fully aquatic ''Batrachophrynus macrostomus'' is larger, as is the African goliath frog, which sometimes can be seen on land). The snout-vent length is .〔
==Conservation status==
Once common, the Titicaca water frog has declined drastically and is now facing extinction due to over-collecting for human consumption, pollution, and predation of tadpoles by introduced trout.〔 It may also be threatened by the disease chytridiomycosis.〔 Several other species in the genus ''Telmatobius'' are facing similar risks.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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