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goliath frog
The goliath frog (''Conraua goliath'') is the largest living frog on Earth. Specimens can grow up to 32 cm (12.6 in) in length from snout to vent, and weigh up to 3.25 kg (7.17 lb). This species has a relatively small habitat range in Cameroon and Equatorial Guinea. Its numbers are dwindling due to habitat destruction and its collection for food and the pet trade.
== Description ==
In a sample of 15 individuals, weights ranged between , and snout-vent lengths were between . Their eyes can be nearly in diameter. The conspicuous tympanum has a diameter of about and is separated from the eye by about in adults. The next largest extant anurans are the cane toad, about a third smaller than the goliath in the largest specimens, and the African bullfrog, which is just over half the size of the goliath. Goliath frog eggs and tadpoles are about the same size as other frogs despite its very large adult form.
A lateral fold extends from the eye to the posterior portion of the tympanum. Toes are fully webbed, with large interdigital membranes extending down to the toe tips. The second toe is the longest. The skin on the dorsum and on top of the limbs is granular. Dorsal coloration is green sienna, while the abdomen and ventral part of the limbs are yellow/orange. They have acute hearing but no vocal sac, and also lack nuptial pads.
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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