What is "bonnetmouth"

Bonnetmouth may refer to:

• Inermiidae, a fish family collectively known as 'bonnetmouths'
• Emmelichthyops atlanticus, an Atlantic ocean fish commonly known as 'bonnetmouth'
• Emmelichthys nitidus, an Indian and Pacific ocean fish commonly known as 'redbait' but is sometimes known as 'bonnetmouth'