Bascanichthys inopinatus

Bascanichthys inopinatus, the unexpected snake eel, is an eel in the family Ophichthidae (worm/snake eels). It was described by John E. McCosker, Eugenia Brandt Böhlke, and James Erwin Böhlke in 1989. It is a tropical, marine eel endemic to the coastal marine waters of Puerto Rico.