分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Genidens: Greek, geny, -yos = face, jaw + Latin, dens, dentis = teeth (Ref. 45335).
More on author: Lacepède.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水 居于水底的; 海洋洄游的 (Ref. 51243); 深度上下限 8 - 33 m (Ref. 121781). 亞熱帶的; 4°S - 37°S, 61°W - 34°W
Southwest Atlantic: Atlantic coast from La Plata basin to eastern Brazil.
西南大西洋: 大西洋的從 La Plata 流域到巴西東部的海岸。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 41.5, range 22 - 73 cm
Max length : 120 cm TL 雄鱼/尚未辨别雌雄; (Ref. 39852); 最大年龄: 36 年 (Ref. 6428)
背棘 (总数): 1; 背的软条 (总数): 7; 臀棘 0; 臀鳍软条: 14 - 15. Body dark blue dorsally, silvery white ventrally. Dorsal fin, adipose fin, soft ray of pectoral fin and maxillary barbel dark blue. Posterior margins of caudal and anal fins slightly blackish (Ref. 27363).
身体深蓝色背面, 腹面银白色的。 背鳍，脂鳍，胸鳍的软鳍条与上颌骨触须深蓝色。 尾鳍与臀鳍的后缘些微黑色.(参考文献 27363)
Males carry the eggs in their mouth (Ref. 205). Depth range based on occurrence (Ref. 121781); to be replaced with a better reference.
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Males carry the eggs in their mouth (Ref. 205).西南大西洋: 大西洋的從 La Plata 流域到巴西東部的海岸。
Marceniuk, A.P. and C.J. Ferraris Jr., 2003. Ariidae (Sea catfishes). p. 447-455. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the freshwater fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 39852)
人类利用
渔业: 商业性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00624 - 0.00880), b=3.05 (3.00 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (K=0.13; tmax=36; Fec=32).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).
Nutrients (Ref.
124155): Calcium = 40.1 [22.4, 108.2] mg/100g; Iron = 0.883 [0.554, 1.532] mg/100g; Protein = 18.4 [16.7, 20.2] %; Omega3 = 0.342 [0.192, 0.634] g/100g; Selenium = 27.2 [14.9, 58.1] μg/100g; VitaminA = 8.03 [3.10, 20.50] μg/100g; Zinc = 0.683 [0.463, 1.031] mg/100g (wet weight);
