Myxine debueni

Common Name

Debuen's Hagfish

Year Described

Wisner & McMillan, 1995


Slime Pores
Prebranchial: 21
Branchial: 0
Trunk: 76
Tail: 7
Total: 104

Anterior unicusps: 6-7
Posterior unicusps: 7
Total cusps: 37-38
Tooth formula: 3/2

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


Body pale brown with a whitish head. Gill aperture margin whitish. Ventral finfold same color as body. Caudal finfold with a pale margin.


Maximum size to 57cm TL.


Known from the type locality at around 300m.


Known from the eastern side of the Straits of Magellan off S. Chile. Likely more widespread around 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.

Other Notes

Known from only two specimens, so more material is needed to determine variation in morphology and extent of range.