There are currently 50 recognized species in this genus: •
Eptatretus aceroi Polanco Fernández &
Fernholm, 2014 (Acero's hagfish) •
Eptatretus alastairi Mincarone &
Fernholm, 2010 (Alastair's hagfish) •
Eptatretus ancon H. K. Mok,
Saavedra-Diaz &
Acero P, 2001 •
Eptatretus astrolabium Fernholm &
Mincarone, 2010 (Astrolabe hagfish) •
Eptatretus atami Dean, 1904 (Brown hagfish) •
Eptatretus bischoffii A. F. Schneider, 1880 (Bischoff's hagfish) •
Eptatretus bobwisneri Fernholm,
Norén,
S. O. Kullander,
Quattrini,
Zintzen,
C. D. Roberts,
H. K. Mok &
C. H. Kuo, 2013 (Bob Wisner's hagfish) •
Eptatretus burgeri Girard, 1855 (Inshore hagfish) •
Eptatretus caribbeaus Fernholm, 1982 (Fernholm's Caribbean hagfish) •
Eptatretus carlhubbsi C. B. McMillan &
Wisner, 1984 (Giant hagfish) •
Eptatretus cheni S. C. Shen &
H. J. Tao, 1975 •
Eptatretus chinensis C. H. Kuo &
H. K. Mok, 1994 (Taiwanese hagfish) •
Eptatretus cirrhatus J. R. Forster, 1801 (Broadgilled hagfish) •
Eptatretus cryptus C. D. Roberts &
A. L. Stewart, 2015 (Cryptic hagfish) •
Eptatretus deani Evermann &
Goldsborough, 1907 (Black hagfish) •
Eptatretus fritzi Wisner &
C. B. McMillan, 1990 (Guadalupe hagfish) •
Eptatretus goliath Mincarone &
D. J. Stewart, 2006 (Goliath hagfish) •
Eptatretus gomoni Mincarone &
Fernholm, 2010 (Gomon's hagfish) •
Eptatetrus goslinei •
Eptatretus grouseri C. B. McMillan, 1999 (Galapagos hagfish) •
Eptatretus hexatrema J. P. Müller, 1836 (Sixgill hagfish) •
Eptatretus indrambaryai Wongratana, 1983 (Bengal hagfish) •
Eptatretus laurahubbsae C. B. McMillan &
Wisner, 1984 (Juan Fernandez hagfish) •
Eptatretus longipinnis Strahan, 1975 (Longfinned hagfish) •
Eptatretus luzonicus Fernholm,
Norén,
S. O. Kullander,
Quattrini,
Zintzen,
C. D. Roberts,
H. K. Mok &
C. H. Kuo, 2013 (Luzon hagfish) •
Eptatretus nelsoni C. H. Kuo,
K. F. Huang &
H. K. Mok, 1994 (Nelson's hagfish) •
Eptatretus octatrema Barnard, 1923 (Eightgill hagfish) •
Eptatretus okinoseanus Dean, 1904 (Sagami hagfish) •
Eptatretus poicilus Zintzen &
C. D. Roberts, 2015 (Mottled hagfish) •
Eptatretus yangi Teng, 1958 ==References==