This species is known from north-eastern India and Bhutan, although its distribution in Bhutan is not clear. It has also been recorded from Rangamati Hill-district in Bangladesh. Recent field studies indicate a wider distribution range than previously recorded in north-east India (A. Ohler pers. comm.). It is a lowland species that occurs below 400m asl.
Habitat and Ecology
It is associated with small, still waters and slow-moving waters in tropical moist forest. Reproduction takes place in small ponds and ditches.
It is considered to be a rare species.
Water pollution due to agrochemicals is the principal threat to this species, although habitat loss and degradation due to small-scale agriculture and wood collection is also a threat.
It has been recorded from Mouling, Aru, and Nameri National Parks and Dihang-Dibang Biosphere Reserve in India. It is protected by national legislation in India.
Red List Status
Listed as Vulnerable because its Area of Occupancy is less than 2,000 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat.
Michael Wai Neng Lau, Sushil Dutta, Annemarie Ohler, Sabitry Bordoloi, Ghazi S.M. Asmat 2004. Ingerana borealis. The IUCN Red List of Threatened Species 2004: e.T58407A11774694. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T58407A11774694.en .Downloaded on 19 November 2018