n = 34
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Callechelys bilinearis | Kanazawa, 1952 | Callechelys bilinearis | Ophichthidae | Twostripe snake eel |
| Callechelys bitaeniata | (Peters, 1877) | Callechelys bitaeniata | Ophichthidae | |
| Callechelys canaliculatus | Smith, 1958 | Callechelys bitaeniata | Ophichthidae | |
| Callechelys catostoma | (Schneider, 1801) | Callechelys catostoma | Ophichthidae | Black-striped snake eel |
| Callechelys catostomus | (Schneider, 1801) | Callechelys catostoma | Ophichthidae | Black-striped snake eel |
| Callechelys cliffi | Böhlke & Briggs, 1954 | Callechelys cliffi | Ophichthidae | Sandy ridgefin eel |
| Callechelys eristigma | McCosker & Rosenblatt, 1972 | Callechelys eristigma | Ophichthidae | Spotted ridgefin eel |
| Callechelys eristigmus | McCosker & Rosenblatt, 1972 | Callechelys eristigma | Ophichthidae | Spotted ridgefin eel |
| Callechelys fijiensis | Seale, 1935 | Bascanichthys fijiensis | Ophichthidae | |
| Callechelys galapagensis | McCosker & Rosenblatt, 1972 | Callechelys galapagensis | Ophichthidae | |
| Callechelys guichenoti | Kaup, 1856 | Callechelys marmorata | Ophichthidae | Marbled snake eel |
| Callechelys guineensis | (Osório, 1893) | Callechelys guineensis | Ophichthidae | Shorttail snake eel |
| Callechelys guiniensis | (Osório, 1893) | Callechelys guineensis | Ophichthidae | Shorttail snake eel |
| Callechelys leucoptera | (Cadenat, 1954) | Callechelys leucoptera | Ophichthidae | |
| Callechelys longissimus | Cadenat & Marchal, 1963 | Phaenomonas longissima | Ophichthidae | Short-maned Sand Eel |
| Callechelys lutea | Snyder, 1904 | Callechelys lutea | Ophichthidae | Yellow-spotted snake eel |
| Callechelys luteus | Snyder, 1904 | Callechelys lutea | Ophichthidae | Yellow-spotted snake eel |
| Callechelys maculatus | Chu, Wu & Jin, 1981 | Callechelys maculatus | Ophichthidae | |
| Callechelys marmorata | (Bleeker, 1854) | Callechelys marmorata | Ophichthidae | Marbled snake eel |
| Callechelys marmoratus | (Bleeker, 1854) | Callechelys marmorata | Ophichthidae | Marbled snake eel |
| Callechelys melanotaenia | Bleeker, 1864 | Callechelys catostoma | Ophichthidae | Black-striped snake eel |
| Callechelys melanotaenius | Bleeker, 1864 | Callechelys catostoma | Ophichthidae | Black-striped snake eel |
| Callechelys muraena | Jordan & Evermann, 1887 | Callechelys muraena | Ophichthidae | Blotched snake eel |
| Callechelys myersi | Herre, 1932 | Bascanichthys myersi | Ophichthidae | |
| Callechelys nebulosus | Smith, 1962 | Xestochilus nebulosus | Ophichthidae | Nebulous snake eel |
| Callechelys pantherina | (Cadenat, 1956) | Callechelys guineensis | Ophichthidae | Shorttail snake eel |
| Callechelys papulosa | McCosker, 1998 | Callechelys papulosa | Ophichthidae | Blistered snake eel |
| Callechelys peninsulae | Gilbert, 1892 | Myrichthys xysturus | Ophichthidae | |
| Callechelys perryae | Storey, 1939 | Callechelys guineensis | Ophichthidae | Shorttail snake eel |
| Callechelys randalli | McCosker, 1998 | Callechelys randalli | Ophichthidae | |
| Callechelys sibogae | Weber, 1913 | Bascanichthys sibogae | Ophichthidae | |
| Callechelys springeri | (Ginsburg, 1951) | Callechelys springeri | Ophichthidae | Ridgefin eel |
| Callechelys striata | Smith, 1958 | Callechelys catostoma | Ophichthidae | Black-striped snake eel |
| Callechelys striatus | Smith, 1958 | Callechelys catostoma | Ophichthidae | Black-striped snake eel |