|
The black sea bass (''Centropristis striata'') is an exclusively marine fish. It is a type of grouper (Serranidae) found more commonly in northern than in southern ranges. It inhabits the coasts from Maine to northeast Florida and the eastern Gulf of Mexico. The three large biomass populations of black sea bass are the mid-Atlantic stock, from Cape Cod in Massachusetts to Cape Hatteras in North Carolina, the South Atlantic stock, from Cape Hatteras to the southern tip of the Florida peninsula, and the Gulf of Mexico stock, from the southern tip of the Florida peninsula to Texas. They can be found in inshore waters (bays and sounds) and offshore in waters up to a depth of . They spend most of their time close to the sea floor and often congregate around bottom formations such as rocks, man-made reefs, wrecks, jetties, piers, and bridge pilings. ==Lifecycle== The sea bass spawns when it is mature, at , in middle of May to end of June. The buoyant eggs are in diameter, and their development time is 1.6 days at . The maximum size of a sea bass is , weighing . It appears off New Jersey in the first weeks of May, withdrawing in late October or early November, and wintering offshore at at temperatures above . In summer, it is most abundant at less than . Black sea bass are protogynous hermaphrodites, meaning they generally first mature as females and some later become male. The sex change generally occurs over the winter when the fish are long.〔(【引用サイトリンク】url=http://marine.rutgers.edu/~ojensen/RBSB.html )〕〔(【引用サイトリンク】url=http://dnr2.maryland.gov/Fisheries/Pages/Fish-Facts.aspx?fishname=Black%20Sea%20Bass )〕 The world record catch for the black sea bass is , caught Virginia Beach, Virginia, USA 01-Jan-2000, by Allan Paschall. 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「black sea bass」の詳細全文を読む スポンサード リンク
|