Type locality, partly dried-up buffalo wallow, Beatrice Lagoon, Adelaide River drainage, Northern Territory, NTM S.11427-001 (holotype of Chlamydogobius ranunculus, 2.75 cm SL) (Ref. 43716). Common in coastal localities of northern Australia, from the Adelaide River, North Territory and Townsville, Queensland (Ref. 44894); including Adelaide river, Leanyer swamp, McArthur river, Marjarie creek and Alligator river systems (NT), Norman river near Karumba, Prince of Wales Island, Hinchinbrook channel and Townsville (Qld) (Ref. 44894). Also Ref. 75154.