Found in the Sea of Cortez or Gulf of California, south to Panama and the Galapagos Islands. Inhabiting shallow rocky lagoons and reefs at depths down to 210 feet (64 meters). Adults are characterized by a bright yellow band just behind a blue to green head, a purplish blue tail and a red body. The Cortez Rainbow Wrasses are carnivorous, eating mainly small hard-shelled invertebrates, crustaceans, worms, and fish.