Ophichthus pullus McCosker 2005

This moderately elongate species is distinguished by the following characters: head 8.5-8.9%, tail 57-61%, body depth at gill opening 2.8-3.3% of TL; origin of dorsal-fin well behind pectoral-fin tips; rounded pectoral fin, not elongate and well-developed; posterior nostril a hole above the upper lip, covered by a flap that extends to or below the edge of the mouth; upper lip with no barbels between anterior and posterior nostrils; small pores conspicuous, SO 1 + 4, IO 4 + 2, POM 6 + 2; small and conical teeth, biserial on anterior vomer and jaws; uniform gray-brown to nearly black in color; total vertebrae 149-153, mean vertebral formula 20.3-56.3-151.3 (Ref. 86730).

Ophichthus pullus is an eel in the family Ophichthidae (worm/snake eels). It was co-discovered by John E. McCosker and Ian Moore in 2005. It is a marine, tropical eel which is known from Angola and Guinea-Bissau, in the eastern Atlantic Ocean. It dwells at a depth range of 106 to 154 metres (348 to 505 ft). Males can reach a maximum total length of 58.5 centimetres (23.0 in).

The species epithet "pullus" means "dark coloured" in Latin, and refers to the eel's colouring.