Tags: Crustacean.
Stygobromus kenki is a rare species of amphipod a crustacean. Its common names include Kenk’s amphipod Rock Creek groundwater amphipod and Rock Creek stygobromid.This species lives only in Washington D.C. and Montgomery County Maryland in the United States. It can be found only in the Potomac River watershed. Its entire range is less than 40 square miles.