Catalina Blue Perch – Medialuna californiensis.  Common names: Catalina blue perch, half moon perch (due to the tail fin shape resembling a crescent moon), blue bass, black perch, blue perch, blue wizard.

Identifying Characteristics and Biology

  • The name ‘half moon’ or ‘halfmoon’ comes from its unique tail fin shape resembling a crescent shaped moon.
  • Catalina blue perch color is steel- or slate-blue to blue backs, and silver and gray bellies.
  • Adult fish can reach to almost 20 inches, although they mature at around 7 inches.
  • Catalina blue perch feed on seaweed and small invertebrates.

Range and Habitat

  • Typical range: from Vancouver Island to the Gulf of California, from the surface to about 130 feet deep.
  • Catalina blue perch like shallow rocky areas, and are fond of kelp beds, and anywhere there is seaweed growing.
  • This fish can be found under kelp patties many miles offshore

Market Forms

  • Catalina blue perch are great eating fish.

 

Resources:

Love, Milton. Probably More Than You Want to Know About the Fishes of the Pacific Coast. Santa Barbara: Really Big Press, 1996. Print.

“Marine Sportfish Identification: Other Fishes.” Marine Sportfish Identification: Other Fishes. CA Department Fish and Wildlife, 17 Oct. 2013. Web. 20 Feb. 2014.

 

John’s motto is ‘release it unharmed or do it justice on the plate.’ Executive Chef, photographer, and surfer, John photographs ocean marine life when he’s out fishing, and creates masterpieces in the kitchen with what he keeps on deck. His photo works have been used in OEHHA Fish Advisories, National Geographic presentations, and nonprofit marine life groups. When he’s not fishing, he’s making great BBQ. Visit him at johnsheltondesigns.com, and send him a message using the contact form using the link above.