Saccopharynx is a genus of deep-sea eel-like fishes with large mouths, distensible stomachs and long, scaleless bodies. It is the only genus in the family Saccopharyngidae. The name is from Latin saccus meaning `sack` and Greek φάρυγξ, pharynx. Like other saccopharyngiforms, fishes in this genus are known as gulpers or gulper eels. They ar.....