The amphibian can be found only in southeastern Queensland, Australia. There are no known living populations, even though some are found in rain forests streams.
The color of the Southern gastric brooding frog varies from greenish brown to black, with a yellow undersurface. It is a small amphibian, measuring 2 inches (5cm).
The Southern Gastric Brooding Frog, also known as the platypus frog, eats insects.
The female can breed after two years. A very interesting fact about the reproduction of gastric brooding frog is that the female's stomach changes into a uterus and later ejects froglets through her mouth.
When the gastric brooding frog was discovered in 1973, it was abundant. The decline began in 1979. There has been no reports in the wild since 1981. The reasons for the species' sudden decline are unknown.