| Hyperotreti - Hagfishes: Taxonomic overview of this group, including characteristics and phylogenetic relationships. The hagfish include four genera: Myxine, Neomyxine, Paramyxine, and Eptatretus. |
| Introduction to the Myxini: UCMP Berkeley's introduction to the hagfish. |
| OceanInfo - Hagfish: An illustrated introduction to the Myxini. |
| Pacific Hagfish: Life history and management of Eptatretus stouti. |
| The Lowly Hag: Safari Splash offers a defense of the much maligned hagfish, and provides a QuickTime movie of hagfish in action. |