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Atractoscion nobilis (Ayres, 1860)

White weakfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Atractoscion nobilis   AquaMaps   Data sources: GBIF OBIS
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Image of Atractoscion nobilis (White weakfish)
Atractoscion nobilis
Picture by Steele, M.A.

United States (contiguous states) country information

Common names: Seatrout, Tilpuuk, White seabass
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: Clemens, W.A. and G.V. Wilby, 1961
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Uncommon north of San Fransisco (Ref. 6885). Also Refs. 4925, 11484.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983
National Database:

Common names from other countries

Acoupa blanc, Corvina cabaicucho, 有名锤形石首鱼, ... more

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Eupercaria/misc (Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria) > Sciaenidae (Drums or croakers) 石首魚科 (Drums or croakers)
Etymology: Atractoscion: Greek, atraktos, arrow + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
  More on author: Ayres.

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋 居於水底的; 深度上下限 0 - 122 m (Ref. 2850).   亞熱帶的; 65°N - 22°N

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Pacific: Alaska to southern Baja California, Mexico and the Gulf of California.
東太平洋: 阿拉斯加到墨西哥的下加利福尼亞南部與加州灣。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 166 cm TL 雄魚/尚未辨別雌雄; (Ref. 40637); common length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9118); 最大體重: 41.0 kg (Ref. 2850); 最大年齡: 20 年 (Ref. 56049)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 10 - 11; 背的軟條 (總數) : 20 - 23; 臀棘: 2; 臀鰭軟條: 8 - 9; 脊椎骨: 24. Pelvic fins with fleshy appendage at base.
在基底的腹鰭有肉質的附肢。

生物學特性     字彙 (例如 epibenthic)

Often in schools over rocky bottom and in kelp beds (Ref. 2850). Also found in the surf zone (Ref. 2850). Young in bays and along sandy beaches (Ref. 2850). Feed on fishes, squids, and crayfish (Ref. 6885). Pelagic spawners (Ref. 56049). Excellent food fish (Ref. 9118).

常形成魚群遍及岩石的底部與在海藻床中.(參考文獻 2850) 也發現於海浪區。 (參考文獻 2850) 幼魚在海灣而且沿著沙灘。 (參考文獻 2850) 吃魚，烏賊與小龍蝦。 (參考文獻 6885) 優良的食用魚.(參考文獻 9118)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Pelagic spawner (Ref. 56049).東太平洋: 阿拉斯加到墨西哥的下加利福尼亞南部與加州灣。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 03 September 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 低經濟; 游釣魚種: 是的
FAO(漁業: 產生; publication : search) | FishSource | 周邊海洋

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參考文獻

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Estimates based on models

Preferred temperature (Ref. 115969): 9 - 22.9, mean 12.8 (based on 76 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00404 - 0.01563), b=3.07 (2.91 - 3.23), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  4.3   ±0.70 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (K=0.13; tm=4; tmax=20).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (70 of 100).
Climate Vulnerability (Ref. 125649):  Moderate to high vulnerability (48 of 100).
價格種類 (Ref. 80766):   Very high.