What is "sacramento perch"

The Sacramento perch (Archoplites interruptus) is an endangered sunfish (family Centrarchidae) native to the Sacramento–San Joaquin River Delta, Pajaro, and Salinas River areas in California, but widely introduced throughout the western United States.

The Sacramento perch's native habitat is in sluggish, heavily vegetated, waters of sloughs and lakes. It can reach a maximum overall length of and a maximum weight of , and it has been reported to live as long as six years. Its adaptability to different habitats is high, and it can survive on a wide variety of food sources. As young perch, they consume mainly small crustaceans and eventually move on to insect larvae and then smaller fish as adults.