Cynoscion virescens, Green weakfish : fisheries, gamefish

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相关物种
- 物种在
  Cynoscion
- 物种在
  Sciaenidae
- - 分类 -
- Sciaenidae
- Eupercaria/misc
- Teleostei
- Chordata
- Animalia

Cynoscion virescens (Cuvier, 1830)

Green 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.

Cynoscion virescens AquaMaps Data sources: GBIF OBIS

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Pictures | 谷歌图片

Image of Cynoscion virescens (Green weakfish)

Cynoscion virescens
Picture by JAMARC

Brazil country information

Common names: Bacalhau, Camacu, Cambucu
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: commercial | Ref: Barreto, T.M.R.R., K.M.F. Freire, J.J.C. Reis-Júnior, L.C. Rosa, A. Carvalho-Filho and M.M. Rotundo, 2018
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 26938. Caught by shrimp trawl in Pirambu, Sergipe (Ref. 118626). Also in Ref. 122009.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez, 1992
National Database:

Common names from other countries

Acoupa cambucu, Corvinata cambucú, Salmon, ... 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: Cynoscion: Greek, kyon = dog + Greek, odous = teeth + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
More on author: Cuvier.

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋; 半咸淡水居于水底的; 深度上下限 6 - 70 m (Ref. 3702). 熱帶; 14°N - 24°S, 84°W - 34°W

分布国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Western Atlantic: Nicaragua to Santos, Brazil.
西大西洋: 尼加拉瓜到巴西的桑托斯。

大小 / 重量 / 年龄

Maturity: L_m ? range ? - ? cm
Max length : 115 cm TL 雄鱼/尚未辨别雌雄; (Ref. 40637); common length : 65.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3702); 最大体重: 4.4 kg (Ref. 125970)

简单描述检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 11; 背的软条 (总数) : 27 - 31; 臀棘: 2; 臀鳍软条: 8. Greyish to brownish above, silvery below. Upper sides sometimes with inconspicuous minute dark dots. Dorsal fin dusky, its spinous portion black-edged. Soft dorsal fin with dark spots on each ray. Pectoral and pelvic fins as well as anal fin yellowish to orange. Caudal fin dusky. Inside mouth orange. Mouth large, distinctly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of long, curved, horn-like appendages. Sagitta (large earstone) elongate, with a notch on dorsal margin. Soft portion of dorsal fin membranes unscaled except 2 or 3 rows of scales at base (Ref 51721).
略灰色的到上方褐色的, 下面银色的。上侧面有时有不明显的细小黑点。背鳍暗色的, 它的刺状部分黑边。在每个鳍条上的软的背鳍有深色斑点。胸鳍与腹鳍以及臀鳍淡黄色的到橘色的。尾鳍暗色的。在嘴里橘色的。嘴大的，明显斜, 下颌突出的。在顶端上颌有一对大的像犬齿一样的齿。没有触须或孔的下巴。吻部有 2个边缘的孔。气鳔有一对长的，弯曲的，和像触角一样的附肢。矢耳石 (大的 earstone) 延长, 在上缘上具有一个凹槽。背鳍薄膜的柔软部位在基底 (参考文献 51721) 的除了 2 或 3 列的鳞片以外不覆有鳞片的。

Usually found over sandy mud bottoms in coastal waters near river mouths (Ref. 3702). Adults stay in deep waters during the day and swim to the surface at night (Ref. 35237). Juveniles inhabit estuaries. Marketed fresh; its flesh is of excellent quality (Ref. 3702). Its swim bladder is being used to make glue (Ref. 35237).

在河口附近的沿岸水域中通常发现于沙泥底之上。 (参考文献 3702) 成鱼停留在深的水域中在白天期间而且游泳到表面在晚上。 (参考文献 35237) 稚鱼栖息于河口。在市场上销售生鲜地了; 它的肉是有优良品质的。 (参考文献 3702) 它的泳鳔正在被用来制造胶。 (参考文献 35237)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

西大西洋: 尼加拉瓜到巴西的桑托斯。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

最不相关 (LC) ; Date assessed: 15 January 2020

CITES (Ref. 131153)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

无害处的

人类利用

渔业: 商业性; 游钓鱼种: 是的

FAO(Publication : search) | FIRMS (Stock assessments) | FishSource | 周边海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 26.7 - 28, mean 27.4 (based on 112 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00661 (0.00533 - 0.00819), b=3.06 (3.04 - 3.08), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

营养阶层 (Ref. 69278): 4.0 ±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 (Preliminary K or Fecundity.).

Prior r = 0.26, 95% CL = 0.17 - 0.38, Based on 1 data-limited stock assessment.

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (69 of 100).

价格分类 (Ref. 80766): Medium.

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