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The goliath frog (Conraua goliath), otherwise known commonly as the giant slippery frog and the goliath bullfrog, is a species of frog in the family Conrauidae. The goliath frog is the largest living frog. [3] [4] Specimens can reach up to about 35 centimetres (14 in) in snout–vent length and 3.3 kilograms (7.3 lb) in weight. [5]
This genus includes the largest frog of the world, Conraua goliath, which may grow to 32 cm (13 in) in snout–vent length and weigh as much as 3.3 kg (7.3 lb). [5] Four of the seven species in this genus are threatened. [6]
Conraua derooi are large frogs (though much smaller than their relative, the goliath frog Conraua goliath), with males measuring 76–84 mm (3.0–3.3 in) and females about 74–82 mm (2.9–3.2 in) in snout–vent length. The head is relatively large with prominent eyes and a fairly small snout.
Frog populations have declined dramatically since the 1950s. More than one-third of frog species are considered to be threatened with extinction, and more than 120 species are believed to have become extinct since the 1980s. [202] Among these species are the gastric-brooding frogs of Australia and the golden toad of Costa Rica.
[5] [9] [10] It is also a cannibalistic species—the male African bullfrog is known for occasionally eating the tadpoles he guards, [11] and juveniles also eat tadpoles. [12] An African bullfrog kept at the Pretoria Zoo in South Africa once ate 17 juvenile Rinkhals snakes ( Hemachatus haemachatus ).
The species is very similar in appearance to another in the area – B hermogenesi – which also has the same yellowish-brown skin, lives in leaf litter, and emerges as tiny frogs from their eggs ...
This very large toad typically weighs up to 0.5–1 kg (1.1–2.2 lb), but sometimes considerably more. It is the world's second largest frog after the goliath frog. [5] It is threatened by capture for human consumption, habitat loss, pollution, introduced species and the disease chytridiomycosis.
Wood frogs experience very little of the winter because they are frozen solid for the coldest eight months of the year. This is a high-risk strategy! If ice crystals form inside their body, they ...