archey's frog

It is found only at two sites in the northern half of the North Island of New Zealand - the Coromandel Peninsula, and near Te Kuiti. It is the smallest of the four species growing to only about 37 mm long, and is found in misty, moist areas above 400 metres in altitude.

Archey's frog, Leiopelma archeyi, is a New Zealand primitive frog, one of only four belonging to the ancient family Leiopelmatidae. It is named after Sir Gilbert Archey (1890–1974), the former Director of the Auckland Institute.