Myxine mcmillanae

Common Name

McMillan's Hagfish

Year Described

Hensley, 1991


Slime Pores
Prebranchial: 26-35
Branchial: 0
Trunk: 60-76
Tail: 9-12
Total: 101-113

Anterior unicusps: 8-10
Posterior unicusps: 8-10
Total cusps: 42-48
Tooth formula: 2/2

Body anguilliform and cylindrical. There are normally six gill pouches. No branchial pores (present in Eptratretus). Ventral and caudal finfolds well developed.


Body blue-gray with a white head, ventral trunk, ventral finfold, pore margins, gill aperture margin, caudal margin, and dorsal midline.


Maximum size to 47.3cm TL.


Taken on mud bottoms from 603-1500m.


Known from the northern Gulf of Mexico, off Puerto Rico, and off St. Croix (U.S. Virgin Is.).


Hensley, D. A. 1991. Myxine mcmillanae, a new species of hagfish (Myxinidae) from Puerto Rico and the U.S. Virgin Islands. Copeia 1991 (no. 4): 1040-1043.

Mincarone, M. M. 2007. Revisao Taxonomica da Familia Myxinidae Rafinesque, 1814 (Myxiniformes). Tese de Doutorado, Porto Alegre, RS, Brasil.

Wisner, R. L. & McMillan, C. B. 1995. Review of new world hagfishes of the genus Myxine (Agnatha, Myxinidae) with descriptions of nine new species. Fishery Bulletin 93: 530-550.