Photis conchicola is a species of marine amphipod crustacean which lives in the Eastern Pacific Ocean.
It grows to a length of 5.5 mm (0.22 in), and lives on rocky beaches among algae and surfgrass.
[1] It often inhabits discarded gastropod shells, which it attaches to marine plants.
[2] Predators of P. conchicola include the fish Embiotoca lateralis.
[2] The shells used by P. conchicola are chiefly Alia carinata, Tricolia pulloides, Bittium eschrichtii, Amphissa versicolor, Lacuna marmorata and Lacuna unifasciata.