; (2) the costs associated with carrying out this title; (3) a summary of the projects for which the Secretary has provided assistance under section 304 and an evaluation of those projects; and (4) an evaluation of the status of threatened and endangered populations of freshwater mussel in the United States. IV Southwest Desert Fish Conservation Fund Act of 2023 401. Short title This title may be cited as the Southwest Desert Fish Conservation Fund Act of 2023 . 402. Purposes The purposes of this title are— (1) to assist in the conservation of threatened and endangered desert fish and the habitats of such desert fish in the Southwest; and (2) to support and provide financial resources for projects to conserve such desert fish and the habitats of such desert fish and to address other threats to the survival of such desert fish species. 403. Definitions In this title: (1) Southwest desert fish conservation The term Southwest desert fish conservation means the use of all methods and procedures necessary to protect habitats of desert fish species in the Southwest and of the desert fish species in those habitats, including— (A) protection, restoration, and management of habitats; (B) onsite research and monitoring of populations, habitats, annual reproduction, and desert fish species population trends; (C) assistance in the development, implementation, and improvement of national and regional management plans; (D) enforcement and implementation of applicable conservation laws