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Sebastes ciliatus, the dusky rockfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae.It is typically found in the North Pacific Ocean, specifically in the Bering Sea near British Columbia, in the Gulf of Alaska, and in the depths of the Aleutian Islands.
Like other rockfish species, quillbacks live on the bottom, perching on rocks or hiding in rock crevices. [7] The juveniles stay mainly along the shore, in reefs, sand and eelgrass, while the adult rockfish live in the deeper waters. They are for the most part solitary dwellers, rarely being found in groups.
Its head spines are exceptionally strong. They grow to a maximum length of 36 in (0.9 m) and are typically found in the 28-to-215-fathom (51-to-393 m) range, although specimen have been reported up to a maximum depth of 260 fathoms (475 m). [6] Yelloweye rockfish live to be extremely old, even for their unusually long-lived genus.
Pacific ocean perch is a very slow-growing species, with a low rate of natural mortality (estimated at 0.06), a relatively old age at 50% maturity (10.5 years for females in the Gulf of Alaska), and a very old maximum age of 98 years in Alaska (84 years maximum age in the Gulf of Alaska). [25]
The black rockfish is a prime target for anglers, and a reproductive rate unusually high for its slow-growing genus makes it more resistant to fishing than its cousins, such as the yelloweye rockfish, are. They are harvested in Oregon, California, Washington, British Columbia, Alaska, and the Pacific.
It attains lengths greater than one metre (>39 inches) and weighs up to 20 kg (44 pounds). In the Gulf of Alaska, shortraker rockfish are sampled annually during longline surveys and are most abundant between depths of 300–400 metres (980–1,310 ft). [7] It is a bathydemersal species found over soft substrates. [4]
Similar fish surveys conducted this summer in the Patapsco, Magothy, Rhode, West, Miles and Tred Avon rivers, also found fewer rockfish. Biologists captured more than 56,000 fish of 56 different ...
Sebastes miniatus, the vermilion rockfish, vermilion seaperch, red snapper, red rock cod, and rasher, [2] is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is native to the waters of the Pacific Ocean off western North America from Baja California to Alaska.