; 118 Stat. 3478). (5) Native fish habitat restoration (A) Existing projects Nothing in this section or an amendment made by this section affects the authority of the Secretary concerned or the State to operate, maintain, replace, or improve a native fish habitat restoration project (including fish barriers) in existence as of the date of enactment of this Act within a covered segment. (B) New projects Notwithstanding section 7 of the Wild and Scenic Rivers Act ( 16 U.S.C. 1278 ), the Secretary concerned may authorize the construction of a native fish habitat restoration project (including any necessary fish barriers) within a covered segment if the project— (i) would enhance the recovery of a species listed as threatened or endangered under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq. ), a sensitive species, or a species of greatest conservation need, including the Gila Trout (Oncorhynchus gilae); and (ii) would not unreasonably diminish the free-flowing nature or outstandingly remarkable values of the covered segment. (C) Projects within wilderness areas A native fish habitat restoration project (including fish barriers) located within an area designated as a component of the National Wilderness Preservation System shall be constructed consistent with— (i) the Wilderness Act ( 16 U.S.C. 1131 et seq. )