Common Name
Debuen's Hagfish
Year Described
Wisner & McMillan, 1995
Identification
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.
Color
Body pale brown with a whitish head. Gill aperture margin whitish. Ventral finfold same color as body. Caudal finfold with a pale margin.
Size
Maximum size to 57cm TL.
Habitat
Known from the type locality at around 300m.
Range
Known from the eastern side of the Straits of Magellan off S. Chile. Likely more widespread around Patagonia.
References
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.