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Bocaccio rockfish
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Bocaccio rockfish : ウィキペディア英語版
Bocaccio rockfish

The Bocaccio, ''Sebastes paucispinis'', is a member of the Sebastidae (rockfish) family. Other names for this species include salmon grouper, grouper, tom cod (juveniles), and slimy. In Greek, sebastes means “magnificent,” and paucispinis is Latin for “few spines”.
==Distribution and biology==
Bocaccio can be found from Stepovak Bay, Alaska to central Baja California, but is mostly abundant from Oregon to northern Baja California. They have been spotted from various depths from the surface to ; most live between .〔 Juveniles stay in shallower water because of the protection provided by floating kelp mats or driftwood. Shallow water kelp forests and oil platforms also help these fish avoid danger, as they can use them to dodge and hide from predators. As the fish get older, they to move into deeper, colder water. The Monterey submarine canyon is an ideal place for many marine organisms to inhabit or migrate through, and bocaccio in this canyon can consume multiple marine species such as shellfish (pelagic shrimp and crab), anchovies, sardines, other small rockfishes, and squid.
The bocaccio is one of the larger rockfish and can grow up to in length and live to 45 years. A bocaccio that is long is around 3–4 years old and a long fish is 7–8 years old. Females grow faster than males and also live longer. There is a difference in maturity rates from north to south. Southern California bocaccio mature at 14 inches and reproduce at around , while northern males mature at 22 inches and females at 24 inches. They are viviparous rockfish; in Southern California they spawn their larvae in 2 more batches and spawning occurs almost all year. In Central and Northern California they spawn from January to May, while further north spawning is restricted to January to March. One female can produce over 2 million eggs per season. Coloration is olive-brown dorsally becoming pink to red ventrally.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Bocaccio rockfish」の詳細全文を読む



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