Known from the lower Quanza (Ref. 3570, 11970, 43912, 120641) and Bengo rivers (Ref. 3570, 11970, 43912). Type locality of the holotype of Eutropius bocagii: "Dondo, Quanza River" (type destroyed); type locality of the syntypes of Eutropius ansorgii: "Quanza River at Cunga"; type localities of the syntypes of Eutropius seraoi: "Bengo River at Cabiri" and "Lucalla River at Lucalla"; type locality of the holotype of Eutropius eclipsis: "Quanza River at Cunga" (Ref. 43912). Also Ref. 39885.