The halfmoon (Medialuna californiensis) is a species of sea chub native to the Pacific coast of North America from Vancouver, British Columbia, to the Gulf of California. This species prefers rocky substrates or kelp forests, and can be found from the surface to a depth of 40 m (130 ft). It can reach a total length of 48 cm (19 in). This species is considered to be an excellent food fish. Learn more about Halfmoon