See species list Alpheus is a genus of snapping shrimp of the family Alpheidae.

This genus contains in excess of 330 species,[1] making this the most species-rich genus of shrimp.

[2] Like other snapping shrimp, the claws of Alpheus are asymmetrical, with one of the claws enlarged for making a popping noise.

[3] Some species in the genus enter into symbiotic relationships with gobiid fishes,[4] and others associate with sea anemones.

[5] Valid species as of October 2023:[6]