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Atractoscion nobilis (Ayres, 1860)

White weakfish
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Native range | All suitable habitat | Point map | Year 2050
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Atractoscion nobilis   AquaMaps   Data sources: GBIF OBIS
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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

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | 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 生态学

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

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | 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 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 166 cm TL 雄鱼/尚未辨别雌雄; (Ref. 40637); common length : 100.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 9118); 最大体重: 41.0 kg (Ref. 2850); 最大年龄: 20 年 (Ref. 56049)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 10 - 11; 背的软条 (总数) : 20 - 23; 臀棘: 2; 臀鳍软条: 8 - 9; 脊椎骨: 24. Pelvic fins with fleshy appendage at base.
在基底的腹鳍有肉质的附肢。

生物学特性     字汇 (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).

常形成鱼群遍及岩石的底部与在海藻床中.(参考文献 2850) 也发现于海浪区。 (参考文献 2850) 幼鱼在海湾而且沿着沙滩。 (参考文献 2850) 捕食鱼，乌贼与小龙虾。 (参考文献 6885) 大洋性产卵鱼.(参考文献 56049) 优良的食用鱼.(参考文献 9118)

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

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。

主要参考文献 Upload your references | 参考文献 | 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)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 03 September 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 低经济; 游钓鱼种: 是的
FAO(渔业: 产生; publication : search) | FishSource | 周边海洋

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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).
营养阶层 (Ref. 69278):  4.3   ±0.70 se; based on food items.
回复力 (Ref. 120179):  低的, 最小族群倍增时间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).
价格分类 (Ref. 80766):   Very high.