Southeast Atlantic: known only from Walvis Bay, Namibia to Durban, South Africa[3] Maximum recorded length 80.0 cm.

Egg cases ovoid about 30mm long by 12mm wide with anchor filaments at each end.

[5] No paired fins, mouth has no jaws but has two protrusible rows of horny teeth.

Common names: sixgill hagfish, snotslang Synonyms: Bdellostoma hexatrema Müller, 1836.

Heptatretus hexatrema (Müller, 1836)[7] Froese, Rainer; Pauly, Daniel (eds.).