n = 27
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Carapus acus | (Brünnich, 1768) | Carapus acus | Carapidae | Pearl fish |
| Carapus arenatus | Eydoux & Souleyet, 1850 | Sternopygus arenatus | Sternopygidae | |
| Carapus bermudensis | (Jones, 1874) | Carapus bermudensis | Carapidae | Pearlfish |
| Carapus birpex | Arnold, 1956 | Carapus acus | Carapidae | Pearl fish |
| Carapus boraborensis | (Kaup, 1856) | Encheliophis boraborensis | Carapidae | Pinhead pearlfish |
| Carapus chavesi | Ancona López, 1956 | Carapus bermudensis | Carapidae | Pearlfish |
| Carapus cinereus | Smith, 1955 | Eurypleuron cinereum | Carapidae | |
| Carapus cuspis | Arnold, 1956 | Carapus acus | Carapidae | Pearl fish |
| Carapus dentatus | (Cuvier, 1829) | Echiodon dentatus | Carapidae | |
| Carapus dubius | (Putnam, 1874) | Carapus dubius | Carapidae | Pacific pearlfish |
| Carapus gracilis | (Bleeker, 1856) | Encheliophis gracilis | Carapidae | Graceful pearlfish |
| Carapus homei | (Richardson, 1846) | Encheliophis homei | Carapidae | Silver pearlfish |
| Carapus houlti | (Ogilby, 1922) | Encheliophis gracilis | Carapidae | Graceful pearlfish |
| Carapus imberbis | (Cuvier, 1815) | Carapus acus | Carapidae | Pearl fish |
| Carapus inaequilabiatus | Valenciennes, 1839 | Gymnotus inaequilabiatus | Gymnotidae | |
| Carapus macrourus | Cuvier, 1870 | Gymnotus carapo | Gymnotidae | Banded knifefish |
| Carapus mayottae | Smith, 1955 | Carapus mourlani | Carapidae | Star pearlfish |
| Carapus mourlani | (Petit, 1934) | Carapus mourlani | Carapidae | Star pearlfish |
| Carapus neglectus | (Peters, 1855) | Encheliophis homei | Carapidae | Silver pearlfish |
| Carapus owasianus | Matsubara, 1953 | Eurypleuron owasianum | Carapidae | Eel pearlfish |
| Carapus parvibrachium | Fowler, 1927 | Onuxodon parvibrachium | Carapidae | Oyster pearlfish |
| Carapus parvipinnis | (Kaup, 1856) | Encheliophis boraborensis | Carapidae | Pinhead pearlfish |
| Carapus pindae | Smith, 1955 | Carapus mourlani | Carapidae | Star pearlfish |
| Carapus recifensis | Ancona López, 1956 | Carapus bermudensis | Carapidae | Pearlfish |
| Carapus rendahli | Whitley, 1941 | Echiodon rendahli | Carapidae | Messmate fish |
| Carapus sagamianus | Tanaka, 1908 | Encheliophis sagamianus | Carapidae | |
| Carapus sluiteri | (Weber, 1905) | Carapus sluiteri | Carapidae | Sluiter's pearlfish |