Ichthyophis elongatus, the elongated caecilian, is a species of amphibians in the family Ichthyophiidae endemic to Sumatra,[1] including some nearby islands; however, whether these belong to this species is uncertain.
Specimens allocated to this species with certainty have been collected from lowland forest and from a ravine near degraded forest.
The type series varied 280mm300mm in total length. It is relatively slim, with body width of 7.8mm8mm.