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| No. | Valid Name | Author | English Name |
| 1. | Ophidion antipholus | Lea & Robins, 2003 | Longnose cusk-eel |
| 2. | Ophidion asiro | (Jordan & Fowler, 1902) | |
| 3. | Ophidion barbatum | Linnaeus, 1758 | Snake blenny |
| 4. | Ophidion dromio | Lea & Robins, 2003 | Shorthead cusk-eel |
| 5. | Ophidion exul | Robins, 1991 | Exile cusk eel |
| 6. | Ophidion fulvum | (Hildebrand & Barton, 1949) | Earspot cusk eel |
| 7. | Ophidion galeoides | (Gilbert, 1890) | Striped cusk eel |
| 8. | Ophidion genyopus | (Ogilby, 1897) | Ravenous cusk |
| 9. | Ophidion grayi | (Fowler, 1948) | Blotched cusk-eel |
| 10. | Ophidion guianense | Lea & Robins, 2003 | Guianan cusk-eel |
| 11. | Ophidion holbrookii | Putnam, 1874 | Band cusk-eel |
| 12. | Ophidion imitator | Lea, 1997 | Mimic cusk-eel |
| 13. | Ophidion iris | Breder, 1936 | Rainbow cusk eel |
| 14. | Ophidion josephi | Girard, 1858 | |
| 15. | Ophidion lagochila | (Böhlke & Robins, 1959) | Harelip cusk |
| 16. | Ophidion lozanoi | Matallanas, 1990 | |
| 17. | Ophidion marginatum | DeKay, 1842 | Striped cusk-eel |
| 18. | Ophidion metoecus | Robins, 1991 | |
| 19. | Ophidion muraenolepis | Günther, 1880 | Blackedge cusk |
| 20. | Ophidion nocomis | Robins & Böhlke, 1959 | Letter opener |
| 21. | Ophidion puck | Lea & Robins, 2003 | Pallid cusk-eel |
| 22. | Ophidion robinsi | Fahay, 1992 | Colonial cusk-eel |
| 23. | Ophidion rochei | Müller, 1845 | |
| 24. | Ophidion saldanhai | Matallanas & Brito, 1999 | |
| 25. | Ophidion scrippsae | (Hubbs, 1916) | Basketweave cusk-eel |
| 26. | Ophidion selenops | Robins & Böhlke, 1959 | Mooneye cusk-eel |
| 27. | Ophidion smithi | (Fowler, 1934) |