Lysmata californica, known generally as the red rock shrimp or lined shrimp, is a species of caridean shrimp in the family Hippolytidae. It is found in the East Pacific.

ed rock shrimp occur from Santa Barbara, California, Rsouth to Bahia Viscaino, Baja California. They are often found in low intertidal pools and crevices and extend subtidally to a depth of more than 180 feet. They tend to occur in groups of several hundred, dispers- ing somewhat at night but regrouping in sheltered areas during the day.