Mysis diluviana and Hemimysis anomala: Reviewing the roles of a native and invasive mysid in the Laurentian Great Lakes region

► Review of 14 papers as part of special issue on Mysids of Great Lakes. ► Explores importance of native Mysis diluviana to Great Lakes food webs. ► Explores current knowledge of impact of Hemimysis anomala invasion. ► Sets future research agenda and foci for systems inhabited by one or both species.