Ichthyophis sumatranus, also known as the Sumatra caecilian, is a species of amphibian in the family Ichthyophiidae. It is endemic to Sumatra, Indonesia. It is known from western Sumatra, but many records lack precise location data and its exact range is poorly known. Description The type series consists of two males and two females: the males measure and females in total length. The tail is short, in length. The maximal body width is . There are 315–329 body folds and 7 tail folds. The eye is distinct; black iris is surrounding the lens that appears white. There is a white spot in front of the eye and a semicircular row of small cream glandules partly surrounding the eye. Preserved specimens are dark brown above, with slightly lighter grooves. Ventral coloration has a lighter shade of brown. There is a cream mark at the vent and one at the tip of the tail. The lips are cream. Habitat and conservation Ichthyophis sumatranus is believed to inhabit tropical moist forest and have subterranean lifestyle as adults. It is presumably oviparous and has terrestrial eggs and aquatic larvae. The main threat to this species is conversion of forest for palm oil plantations. Its presence in protected areas is unknown. References sumatranus Amphibians of Indonesia Endemic fauna of Sumatra Amphibians described in 1960 Taxa named by Edward Harrison Taylor Taxonomy articles created by Polbot