Myxine affinis

Common Name

Magellan Hagfish

Year Described

G√ľnther, 1870


Slime Pores
Prebranchial: 26-42
Branchial: 0
Trunk: 57-79
Tail: 9-14
Total: 99-124

Anterior unicusps: 7-10
Posterior unicusps: 7-10
Total cusps: 38-46
Tooth formula: 2/2

Body anguilliform and cylindrical. There are normally six gill pouches. No branchial pores (present in Eptratretus). Ventral finfold weakly to well developed. Caudal finfold well developed.


Body reddish brown, grading to yellowish on the ventrum. Anterior part of head yellowish. Gill apertures and slime pores with pale margins. Ventral finfold margin pale yellowish. Caudal finfold sometimes with pale margin.


Maximum size to 66cm TL.


Taken on soft bottoms in relatively shallow waters from 3-146m.


Known only from the vicinity of the Straits of Magellan off S. Chile. Likely occurs throughout Chilean and Argentinean Patagonia.


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.