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Ophidiidae Cusk-eels
- Abyssobrotula galatheae Abyssal Brotula
- Acanthonus armatus Bony-eared Assfish
- Apagesoma delosommatus Flabby Brotula
- Apagesoma edentatum Smooth-palate Brotula
- Bassozetus levistomatus Japanese Assfish
- Bassozetus mozambiquensis Mozambique Assfish
- Bassozetus nielseni Nielsen's Assfish
- Bassozetus normalis Normal Assfish
- Bassozetus taenia Atlantic Assfish
- Bassozetus trachibranchus Roughgilled Assfish
- Benthocometes robustus Robust Brotula
- Neobythites braziliensis Saddled Brotula
- Neobythites elongatus Elongate Brotula
- Neobythites gilli Two-spot Brotula
- Neobythites marginatus Pinstriped Brotula
- Neobythites monocellatus One-spot Brotula
- Neobythites multidigitatus Many-rayed Brotula
- Neobythites multiocellatus Many-spot Brotula
- Neobythites ocellatus Ocellated Brotula
- Neobythites unicolor Plain Brotula
- Xyelacyba myersi Gargoyle Cusk-eel