Saccopharyngidae
Saccopharyngidae is a family of deep-sea fish belonging to the order Saccopharyngiformes. Members of this family are characterized by their elongated bodies, large mouths, and absence of scales and pelvic fins. They are often referred to as "gulper eels" due to their remarkable ability to swallow prey much larger than their own heads. This is facilitated by their distensible jaws and stomachs.
These fish inhabit the mesopelagic and bathypelagic zones of all the world's oceans, typically found at depths
The family Saccopharyngidae currently contains two genera: Saccopharynx and Eurypharynx. Saccopharynx species are generally larger and