… The Sacramento perch is unique. … Once highly abundant in California’s Central Valley, Salinas and Pajaro Rivers, and Clear Lake, it is now absent from its native waters. … man-made water infrastructure, such as reservoirs, ponds, culverts, and canals can provide habitat for native species at risk, even if the modified areas have not been historically considered native fish habitat. In an era when ecosystem-wide change is sometimes irreversible, conservation should be geared towards reconciliation rather than returning to unattainable historic conditions. Thinking outside the box on conventional conservation is key