This species is known from Sanana Island, in the Sula Islands, Indonesia. It is known only from the type specimen, and there have been no records since it was first described.
Habitat and Ecology
It presumably occurs in lowland forest, though there is no recent information. There is also no information on its breeding details, though it presumably breeds by direct development and is not dependent upon water.
There is no information available on the population status of this species.
This species is likely to be seriously threatened by the extensive logging taking place on Sanana Island.
It does not occur in any protected areas. This species is a priority for survey work, in order to establish its current population status.
Red List Status
Listed as Endangered because its Extent of Occurrence is less than 5,000 km2, it is known from fewer than five locations, and there is continuing decline in the extent and quality of its habitat on Sanana Island.
Djoko Iskandar, Mumpuni 2004. Callulops kopsteini. The IUCN Red List of Threatened Species 2004: e.T57738A11679033. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T57738A11679033.en .Downloaded on 24 January 2019