Menoidei is a suborder of ray-finned fishes belonging to the class Actinopterygii, a diverse group of vertebrates characterized by their bony skeletons.

The suborder Menoidei includes the family Menidae, family Xiphiidae and family Istiophoridae.

[1][2][3][4] Members of this suborder are aquatic and exhibit a wide range of adaptations to marine environments.

[5][6] Suborder Menoidei[4]