Gulf Hagfish Identification Guide

Key identification features

• Elongated, scaleless, eel-like body in pale pinkish-tan to grey tones
• Completely blind head, with only faint light-sensing skin patches instead of eyes
• A single nostril at the snout tip, ringed by short fleshy barbels
• A moderate number of gill pore pairs along the throat, useful for separating it from local relatives
• A single line of slime pores running down each flank
• Low, continuous tail fin fold with no trace of paired fins

Common look-alikes

• Other Western Atlantic and Gulf hagfish species are best told apart by comparing gill pore counts and typical collection depth.
• Lampreys share the eel-like outline but have visible eyes as adults and a round, tooth-lined sucker mouth entirely absent in hagfish.
• Cusk-eels and other deep-sea eel-like fish have jaws and paired fins, features the Gulf Hagfish lacks.

Where you'll see one

Gulf Hagfish inhabit deep waters of the Gulf of Mexico and adjacent western Atlantic slopes, resting on soft muddy sediment far below the surface, where they scavenge carcasses and burrow into the bottom.