Ophichthys Terricolus, a New Species of Hypogean Swamp Eel from Cachar, Assam (teleostei: Synbranchiformes: Synbranchidae)

A new species of swamp eel, Ophichthys terricolus, is described from Assam, India. The new species closely resembles the common Ophichthys cuchia but differs from this species by having fewer abdominal vertebrae (79-80 vs. 95-100), a longer preanal and shorter postanal region, and a wider and higher posterior part of the body.