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helmeted water toad
The helmeted water toad, Chilean helmeted bull frog or wide-mouth toad (''Calyptocephalella gayi'', syn. ''Caudiverba caudiverba'') is the sole species of the genus ''Calyptocephalella'' in the family Calyptocephalellidae. The only other members of this family are ''Telmatobufo''. The helmeted water toad is found in central Chile, and possibly adjacent west-central Argentina. This very large toad weighs up to . It is aquatic and found in deep ponds and small reservoirs. It is threatened by capture for human consumption, habitat loss, pollution, and introduced trout. It is occasionally captured for herpetoculture.
== Characteristics ==
This very large species can reach a snout–to-vent length of up to in males and in females.〔AmphibiaWeb: ''(Calyptocephalella gayi. )'' Retrieved 21 March 2015.〕 The maximum weight is .〔Toledo; Suazo; and Viana (2014). ''Formulated diets for giant Chilean frog Calyptocephalella gayi tadpoles.'' Cien. Inv. Agr. 41(1): 13-20.〕 The tadpoles are also unusually large at up to long.〔 These toads are colored yellow, brown, and green, with light green in mature specimens, while the oldest are gray, or have gray patches on a dark background.
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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