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Commonly Asked Questions

Appears in Georgia Aquarium's:
  • Rocky Reefs Habitat (Cold Water Quest)

Range / Habitat

  • Occurs in the Eastern Pacific from Amchitka Island, the Aleutians and Alaska to northern Baja California, Mexico. 
  • Found from the surface to about 1,200 feet (366 m) near rocky reefs in shallow water and over deep banks in open water. 
  • Adult lives both on and above the bottom, while the juvenile is pelagic.
  • This species is reported to form schools.

Physical Characteristics

  • Black rockfish can reach a length of about 25 inches (63 cm) and weigh about 10.6 lbs. (4.8 kg). It is reported to live 50 years.
  • This species is dark grey to black with light grey mottling and lighter coloring ventrally.

Diet / Feeding

  • Feeds mainly on smaller fish and benthic crustaceans and mollusks. It will also eat planktonic crustaceans.

Reproduction / Growth

  • Black rockfish, like most members of the genus Sebastes, is viviparous, with the female giving birth to very large numbers of planktonic larvae.

Conservation Status

  • “Not Evaluated” on the IUCN Red List.

Additional Information

  • The dorsal and anal spines of this fish are mildly venomous.
  • Young of this species are important prey for other fishes, marine mammals and birds.
  • Black rockfish is an excellent food fish and a popular sport fish in Alaska, where it is known as “black bass."