World’s smallest vertebrate discovered in New Guinea

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Small but landmark frog.

SU’s Chris Austin recently discovered two new species of frogs in New Guinea, one of which is now the world’s tiniest known vertebrate, averaging only 7.7 millimeters in size — less than one-third of an inch. It ousts Paedocypris progenetica, an Indonesian fish averaging more than 8 millimeters, from the record. Austin, leading a team of scientists from the United States including LSU graduate student Eric Rittmeyer, made the discovery during a three-month long expedition to the island of New Guinea, the world’s largest and tallest tropical island…

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