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There is much uncertainty about the life history of Pacific ocean perch, although generally more is known than for other rockfish species. [8] The species appears to be viviparous (the eggs develop internally and receive at least some nourishment from the mother), with internal fertilization and the release of live young.
Sebastes rockfish are found in the temperate North and South Pacific and Atlantic Oceans. [12] Rockfish range from the intertidal zone to almost 3,000 m (9,800 ft) deep, usually living benthically on various substrates, often, as the name suggests, around rock outcrops.
The largest species is the shortraker rockfish (Sebastes borealis) which attains a maximum total length of 108 cm (43 in) while the smallest species is Sebastes koreanus which reaches a maximum total length of 13.7 cm (5.4 in). [2]
Rockfish is a common term for several species of fish, referring to their tendency to hide among rocks. The name rockfish is used for many kinds of fish used for food. [1] This common name belongs to several groups that are not closely related, and can be arbitrary. [2] Specific examples of fish termed rockfish include:
The black rockfish (Sebastes melanops), also known variously as the black seaperch, black bass, black rock cod, sea bass, black snapper and Pacific Ocean perch, [3] is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is sometimes misidentified as the "red snapper". [3]
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.
Sebastes melanostictus, the blackspotted rockfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is found in the northern Pacific Ocean.
The Deacon Rockfish (Sebastes diaconus) is a marine ray-finned fish belonging to the subfamily Sebastinae, which is part of the family Scorpaenidae.Its body is compressed with large pectoral fins, prominent head ridges, well-developed spines, and large eyes, making it well-adapted for life along rocky substrates-from which its common name is derived.