The holotype was discovered at the base of the Anaimalai Hills, Coimbatore district in the southern Western Ghats.

Until rediscovered in the Parambikulam Wildlife Sanctuary in 2010, this frog was reported only once by C. R. Narayan Rao in 1937.

Biju in different habitats within Parambikulam Tiger Reserve in Kerala and Tamil Nadu.

The underside of the body is brown with scattered white spots, giving it the common name 'Anamalai dot frog'.

It hides under stones and logs on the forest floor or within tree holes during the rest of the year.