Callulops doriae is a species of frog

Frog

Frogs are amphibians in the order Anura , formerly referred to as Salientia . Most frogs are characterized by a short body, webbed digits , protruding eyes and the absence of a tail...

 in the Microhylidae

Microhylidae

Microhylidae is a geographically widespread family of frogs. There are 413 species in 69 genera and nine subfamilies, which is the largest number of genera of any frog family.-Description:...

 family.
It is endemic to Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

.
Its natural habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

s are subtropical or tropical moist lowland forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

s and subtropical or tropical moist montane

Montane

In biogeography, montane is the highland area located below the subalpine zone. Montane regions generally have cooler temperatures and often have higher rainfall than the adjacent lowland regions, and are frequently home to distinct communities of plants and animals.The term "montane" means "of the...

s.

It is also well known that Callupos doriae is the natural enemy of the Long-nosed Tropical Pig. It has been recorded that the frog will lay eggs in the swine's bowels and the eggs will cause extreme digestive damage leading to death. It is unknown how the frog got in the bowels of the pig