Eptatretus deani (Evermann & Goldsborough, 1907)
Black hagfish
photo by Fernholm, B.

Family:  Myxinidae (Hagfishes), subfamily: Eptatretinae
Max. size:  63.5 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 103 - 2743 m, non-migratory
Distribution:  Eastern Pacific: southeastern Alaska to central Baja California, Mexico.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal spines: 0-0; Anal soft rays: 0-0. No true fins - one dorsal finfold, far back, median, very low, continuous with the caudal; caudal moderately broad, and round with ray-like markings; ventral finfold very low, origin somewhat posterior to last gill aperture, extending to anus (Ref. 6885). Prune colored, preserved specimens black; frequently piebald with light spots; the very edges of caudal and ventral finfolds may be light colored (Ref. 6885).
Biology:  Inhabits mud bottoms (Ref. 2850). Minimum depth reported at 103 m (Ref. 80811).
IUCN Red List Status: Data deficient (DD); Date assessed: 12 November 2009 Ref. (130435)
Threat to humans:  harmless


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