1. Species Carapus acus (Brünnich, 1768)
2. Species Carapus alleni Schwarzhans, 1985 †
3. Species Carapus bermudensis (Jones, 1874)
4. Species Carapus dubius (Putnam, 1874)
5. Species Carapus mourlani (Petit, 1934)
6. Species Carapus sluiteri (Weber, 1905)
7. Species Carapus arenatus Eydoux & Souleyet, 1850 accepted as Sternopygus arenatus (Eydoux & Souleyet, 1850)
8. Species Carapus birpex Arnold, 1956 accepted as Carapus acus (Brünnich, 1768)
9. Species Carapus boraborensis (Kaup, 1856) accepted as Encheliophis boraborensis (Kaup, 1856)
10. Species Carapus chavesi Ancona López, 1956 accepted as Carapus bermudensis (Jones, 1874)
11. Species Carapus cinereus Smith, 1955 accepted as Eurypleuron cinereum (Smith, 1955) (synonym)
12. Species Carapus cuspis Arnold, 1956 accepted as Carapus acus (Brünnich, 1768)
13. Species Carapus dentatus (Cuvier, 1829) accepted as Echiodon dentatus (Cuvier, 1829)
14. Species Carapus gracilis (Bleeker, 1856) accepted as Encheliophis gracilis (Bleeker, 1856)
15. Species Carapus homei (Richardson, 1846) accepted as Encheliophis homei (Richardson, 1846)
16. Species Carapus houlti (Ogilby, 1922) accepted as Encheliophis gracilis (Bleeker, 1856)
17. Species Carapus imberbis (Cuvier, 1815) accepted as Carapus acus (Brünnich, 1768)
18. Species Carapus inaequilabiatus Valenciennes, 1839 accepted as Gymnotus inaequilabiatus (Valenciennes, 1839)
19. Species Carapus kagoshimanus (Steindachner & Döderlein 1887) accepted as Encheliophis boraborensis (Kaup, 1856) (unaccepted > junior subjective synonym)
20. Species Carapus macrourus Cuvier, 1870 accepted as Gymnotus carapo Linnaeus, 1758 (synonym)
21. Species Carapus margaritiferae (non Rendahl, 1921) accepted as Onuxodon fowleri (Smith, 1955) (misapplied)
22. Species Carapus mayottae Smith, 1955 accepted as Carapus mourlani (Petit, 1934)
23. Species Carapus neglectus (Peters, 1855) accepted as Encheliophis homei (Richardson, 1846)
24. Species Carapus owasianus Matsubara, 1953 accepted as Eurypleuron owasianum (Matsubara, 1953) (synonym)
25. Species Carapus parvibrachium Fowler, 1927 accepted as Onuxodon parvibrachium (Fowler, 1927)
26. Species Carapus parvipinnis (Kaup, 1856) accepted as Encheliophis boraborensis (Kaup, 1856)
27. Species Carapus pindae Smith, 1955 accepted as Carapus mourlani (Petit, 1934)
28. Species Carapus praecursor Schwarzhans, 1980 † accepted as Echiodon praecursor (Schwarzhans, 1980) †
29. Species Carapus recifensis Ancona López, 1956 accepted as Carapus bermudensis (Jones, 1874)
30. Species Carapus reedi Smith, 1955 accepted as Onuxodon parvibrachium (Fowler, 1927) (synonym)
31. Species Carapus reedi Smith, 1955 accepted as Onuxodon fowleri (Smith, 1955) (synonym)
32. Species Carapus rendahli Whitley, 1941 accepted as Echiodon rendahli (Whitley, 1941)
33. Species Carapus sagamianus Tanaka, 1908 accepted as Encheliophis sagamianus (Tanaka, 1908)
34. Species Carapus sanguinolentus Castelnau, 1855 accepted as Sternopygus macrurus (Bloch & Schneider, 1801) (ambiguous synonym)
35. Species Carapus variegatus Fowler & Steinitz, 1956 accepted as Carapus mourlani (Petit, 1934)

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