Ichthyophis elongatus is a species of amphibian

Amphibian

Amphibians , are a class of vertebrate animals including animals such as toads, frogs, caecilians, and salamanders. They are characterized as non-amniote ectothermic tetrapods...

 in the Ichthyophiidae

Ichthyophiidae

Ichthyophiidae is the family of Asiatic tailed caecilians or fish caecilians. They are found in south-east Asia.They are primitive caecilians, lacking many of the derived characters found in the other families. For example, the mouth is not recessed underneath the head, they possess tails, and have...

 family.
It is endemic to Sumatra

Sumatra

Sumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...

, but has been reported from some nearby 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, river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s, intermittent rivers, plantation

Plantation

A plantation is a long artificially established forest, farm or estate, where crops are grown for sale, often in distant markets rather than for local on-site consumption...

s, rural gardens, heavily degraded former forest, irrigated land, and seasonally flooded agricultural land.
It is threatened by habitat loss.

Source

• Iskandar, D., Mumpuni, Wilkinson, M., Gower, D. & Kupfer, A. 2004. Ichthyophis elongatus. 2006 IUCN Red List of Threatened Species. Downloaded on 22 July 2007.