Paedophryne facts for kids

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Paedophryne amauensis on a US dime
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Microhylidae
Subfamily: Asterophryinae
Genus: Paedophryne
Kraus 2010
Species: P. amauensis
Binomial name
Paedophryne amauensis
Map of Paedophryne localities 2
Places where Paedophryne has been found

Paedophryne is a genus of microhylid frogs from Papua New Guinea. All six species known so far are amongst the smallest frog and vertebrate species.

Paedophryne amauensis

Paedophryne amauensis is a recently discovered species of frog from Papua New Guinea. Only 7.7 millimetres (0.30 in) long, it is the world's smallest known vertebrate.


The frog species was discovered in August of 2009 by Christopher Austin when exploring Papua New Guinea. The National Science Foundation sponsored the exploration.


The frog is a millimeter smaller than the previous record holder for being the world's smallest vertebrate – a species of carp (Paedocypris progenetica) from Indonesia. The frog mainly lives on land. According to its discoverers, the life cycle of the frog does not include a tadpole stage.

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