; (C) assistance in the development, implementation, and improvement of national and regional management plans; (D) enforcement and implementation of applicable conservation laws; and (E) community outreach and education. (2) Fund The term Fund means the Southwest Desert Fish Conservation Fund established by section 405. (3) Desert fish The term desert fish means any member of the class Osteichthyes living in a desert ecosystem. (4) Southwest The term Southwest means the States of Arizona, California, Colorado, Nevada, New Mexico, and Utah. (5) Secretary The term Secretary means the Secretary of the Interior. 404. Southwest desert fish conservation assistance (a) Assistance (1) In general Subject to the availability of funds and in consultation with other Federal officials, the Secretary of Interior (in this title referred to as the Secretary ) shall provide competitive financial assistance, including multiyear grants, for projects for the conservation of desert fish species in Southwest for which project proposals are approved by the Secretary in accordance with this section. (2) Use of existing authorities Assistance provided under this section shall be carried out in a manner consistent with authorities available to the Secretary under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.). (b) Project proposals (1) Eligible applicants A project proposal may be submitted to the Secretary under this section by— (A) a relevant State or Tribal agency, research institution, or nonprofit organization with expertise required for the conservation of desert fish species in the Southwest