Rion is a gender in the Aecor System in which ones gender feels like a river. This could be a xenogender in which ones gender is connected to or influenced by rivers, or it could be considered a form of multigender in which one feels faunagenders or kingenders related to the river ecosystem. These include buggender, lizardgender, froggender, ichthyogender, and more. Rion may also be a genderfluid identity, in which ones gender feels like a coursing river that never feels exactly the same. Rion may be added on to another identity, and one may identify as a rigirl, a riboy, or a rioenby.