分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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 15 - 20 m (Ref. 86589). 熱帶; 9°N - 7°S, 60°W - 34°W
Western Atlantic: Coastal rivers from Guyana to northern Brazil.
西大西洋: 來自蓋亞那到巴西北部的沿海的河川。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 52.5, range 46 - 59 cm
Max length : 190 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86589); common length : 90.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86589); 最大体重: 50.0 kg (Ref. 5217); 最大年龄: 4 年 (Ref. 51994)
背棘 (总数): 1; 背的软条 (总数): 7; 臀鳍软条: 18 - 20; 脊椎骨: 49 - 51. This species is distinguished by the following characters: in life, yellowish body; swim bladder divided into 3 chambers; shield-shaped nuchal plate, usually larger than the supraoccipital process; head shield exposed and granulated in orbital and postorbital regions; first 2 gill with no mesial gill rakers. Sciades parkeri can further be distinguished from sympatric congeners by the following: fleshy furrow connecting posterior nares absent (vs. present in S. couma, S. herzbergii and S. passany); moderately sized posterior chamber of swim bladder (vs. small in S. proops; absent in S. couma, S. herzbergii, S. passany); nuchal plate with no anterior notch (vs. anterior notched in S. proops, sometimes notched in S. herzbergii); palatal patches forming a U-shaped band (vs. transverse in S. passany, lateral edge on accessory patches not emarginated or shallowly notched; lateral edge with an angled and pronounced notch in S. proops) (Ref. 86589).
头部被平的，而且嘴巴些微下方。 它有三对触须 (1对上颌骨触须与 2 对颚的触须) 。 头部的表面显着看得见, 粗糙在后面的上分开但是在眼的水平的厚雾。 上枕骨突起非常短与大。 (参考文献 35381)
Mainly found in turbid waters over muddy bottoms in coastal areas, estuaries and lower parts of rivers. Sexually mature after around two years of age. Upon hatching, the alevins are relatively large, approximately 6.0-6.5 cm (Ref. 35381). Marketed fresh and salted (Ref. 5217). Fish exported to Canada, USA, England, and Holland (Rayman Bedessee, pers. comm.).
主要地发现于了浑浊的水域在沿岸区域，河口与河川下游中在泥沙底上面。 在大约二岁之后性成熟。 孵化时，刚孵化的小鱼是相当大的, 大约 6.0-6.5 公分.(参考文献 35381) 在市场上销售生鲜地了与盐腌的.(参考文献 5217) 鱼对加拿大，美国，英格兰与荷兰输出 (Rayman Bedessee ， pers. comm.)。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Distinct pairing. May employ mouth booding as parenting strategy (Ref. 205).西大西洋: 來自蓋亞那到巴西北部的沿海的河川。
Betancur-R., R.: Marceniuk, A.P. and P. Béarez, 2008. Taxonomic status and redescription of the gillbacker sea catfish (Siluriformes: Ariidae: Sciades parkeri). Copeia 2008(4):827-834. (Ref. 86589)
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
123201): 27.3 - 28.3, mean 27.7 °C (based on 174 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00500 - 0.01517), b=3.10 (2.95 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.1 ±0.6 se; based on diet studies.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (K=0.46; tm=2; tmax=4).
Prior r = 0.76, 95% CL = 0.48 - 1.20, Based on 1 stock assessment.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
Nutrients (Ref.
124155): Calcium = 63.8 [33.6, 136.7] mg/100g; Iron = 1.04 [0.63, 1.87] mg/100g; Protein = 17.8 [16.1, 19.6] %; Omega3 = 0.215 [0.116, 0.403] g/100g; Selenium = 61.9 [29.2, 143.4] μg/100g; VitaminA = 11.7 [4.2, 32.3] μg/100g; Zinc = 0.723 [0.467, 1.124] mg/100g (wet weight);
