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Rheobatrachus, whose members are known as the gastric-brooding frogs or platypus frogs, is a genus of extinct ground-dwelling frogs native to Queensland in eastern Australia. The genus consisted of only two species, the southern and northern gastric-brooding frogs, both of which became extinct in the mid-1980s.
In 1976, the Southern gastric-brooding frog's population was estimated at 78 individuals in the Booloumba Creek and Conondale Range regions. [4] The Southern gastric-brooding frog suffered from population decline after the winter of 1979. [4] The last recording of the frog in the wild was 1981. [4] In 1983, the last known captive specimen died. [4]
The northern gastric-brooding frog was a much larger species than the southern gastric-brooding frog. Males reached 50–53 mm (2.0–2.1 in) in length, and females 66–79 mm (2.6–3.1 in) in length.
The world's largest frog is the goliath frog of West Africa—it can grow to 15 inches (38 centimeters) and weigh up to 7 pounds (3.2 kilograms). One of the smallest is the Cuban tree toad, which ...
Gastric-brooding frog – An entire genus of ground frogs that were native to Queensland, Australia. They became extinct in the mid-1980s primarily due to Chytridiomycosis. In 2013, scientists in Australia successfully created a living embryo from non-living preserved genetic material, and hope that by using somatic-cell nuclear transfer ...
For example, the female gastric-brooding frog (Rheobatrachus sp.) from Australia, now probably extinct, swallows her fertilized eggs, which then develop inside her stomach. She ceases to feed and stops secreting stomach acid and the tadpoles rely on the yolks of the eggs for nourishment.
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The gastric brooding frog Croom Helm, London & Canberra (1983). C. R. Twidale, M. J. Tyler and M. Davies (eds.) Natural history of Eyre Peninsula Royal Society of South Australia, Adelaide (1985) Michael J. Tyler and Margaret Davies Frogs of the Northern Territory Conservation Commission of the Northern Territory, Darwin (1986).