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This species is known from the mountains of south-eastern Luzon Island and from Polillo Island in the Philippines. It probably occurs more widely than current records suggest, especially in areas between known sites.

It is common in intact forest but has a patchy distribution. It is still known from fewer than 20 specimens, although recent field surveys show that it is fairly common in its preferred habitat.

It inhabits lower montane and lowland forests, occasionally being found in human-modified habitats beside these forests. It prefers cool and unpolluted mountain streams, where its larvae have been observed.

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Populations of this species outside the two protected areas that it also occurs in are threatened by forest loss through small-scale logging and agriculture development. The disturbance of the lowland forest in the protected areas where it occurs is not significant.

• 9.3.2 Soil erosion, sedimentation
• 11.4 Storms & flooding
• 2.1.2 Small-holder farming
• 5.3.5 Motivation Unknown/Unrecorded
• 2.3.3 Agro-industry grazing, ranching or farming
• 11.2 Droughts
• 2.1.1 Shifting agriculture
• 2.1.3 Agro-industry farming
• 10.1 Volcanoes
• 9.1.1 Sewage
• 9.2.3 Type Unknown/Unrecorded
• 9.3.4 Type Unknown/Unrecorded

The most important conservation measure for it is the continued designation of Mount Banahaw and Mount Isarog as protected areas.

• 2.3 Habitat & natural process restoration
• 1.1 Site/area protection
• 4.3 Awareness & communications
• 2.1 Site/area management

Listed as Data Deficient since it has only recently been described, and there is still very little information on its extent of occurrence, status and ecological requirements.

• Brown, R.M., Diesmos, A.C. and Alcala, A.C. 2001. The state of Philippine herpetology and the challenges for the next decade. Silliman Journal 42(1): 18-87.
• Diesmos, A.C., Brown, R.M. and Alcala, A.C. 2002. A new species of narrow-mouthed frog (Amphibia: Anura: Microhylidae; Genus Kaloula) from the mountains of southern Luzon and Polillo Islands, Philippines. Copeia: 1037-1051.
• Inger, R.F. 1954. The systematics and zoogeography of Philippine Amphibia. Fieldiana 33: 181-531.