Arrowtooth eel may refer to several species of cutthroat eels:
- Shortbelly eel, Dysomma anguillare
- Deepwater Arrowtooth eel, Histiobranchus bathybius
- Kaup’s Arrowtooth eel, Synaphobranchus kaupii
- Muddy Arrowtooth eel, Ilyophis brunneus
Pignosed Arrowtooth eel, Dysomma brevirostre