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