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Cynoscion similis Randall & Cervigón, 1968

Tonkin 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 similis   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion similis (Tonkin weakfish)
Cynoscion similis
Picture by JAMARC

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | 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 authors: Randall & Cervigón.

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

海洋 居於水底的; 深度上下限 20 - 60 m (Ref. 3702). 熱帶; 12°N - 4°N

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

Western Atlantic: Colombia to northern Brazil. Also reported in Nicaragua (Ref. 13613).
西大西洋: 哥倫比亞到巴西北部。 也在尼加拉瓜報告。 (參考文獻 13613)

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3702); common length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3702); 最大體重: 2.0 kg (Ref. 5217)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 11; 背的軟條 (總數) : 24 - 29; 臀棘: 2; 臀鰭軟條: 8 - 10. Silvery grey on back, pale below. Trunk with dotted oblique stripes along scale rows. Inside opercle black, visible externally. Spinous dorsal-fin margin dark. Mouth large, slightly 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 straight, horn-like anterior appendages. Soft dorsal fin unscaled except 2 or 3 rows of small scales along its base (Ref 51721).
銀灰色的背面, 腹面灰白的。 軀幹有有點的斜斑紋沿著鱗片列。 在鰓蓋黑色裡, 看得見的外部地。 刺狀的背鰭邊緣黑的。 嘴大的﹐些微斜, 下頜突出的。 在頂端上頜有一對大的像犬齒一樣的齒。 沒有觸鬚或孔的下巴。 吻部有 2個邊緣的孔。 氣鰾有一對直線,像觸角一樣的前肢。 軟的背鰭不覆有鱗片的除了 2 或 3 列的小鱗片以外沿著它的基底 (參考文獻 51721) 。

生物學特性     字彙 (例如 epibenthic)

Found over mud and sand bottoms (Ref. 3702). Marketed mostly fresh (Ref. 3702).

發現在泥與沙底部上了。 (參考文獻 3702) 市場上大部份生鮮地銷售.(參考文獻 3702)

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

西大西洋: 哥倫比亞到巴西北部。 也在尼加拉瓜報告。 (參考文獻 13613)

主要參考資料 Upload your references | 參考文獻 | 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)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 16 October 2019

CITES

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
FAO - Publication: search | FishSource |

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Trophic ecology
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參考文獻

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Estimates based on models

Preferred temperature (Ref. 123201): 26 - 27.6, mean 26.9 °C (based on 14 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00391 - 0.01767), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.9   ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).
價格種類 (Ref. 80766):   Medium.