分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Ariidae (Sea catfishes)
海鯰科 (Sea catfishes) > Ariinae
Etymology: Genidens: Greek, geny, -yos = face, jaw + Latin, dens, dentis = teeth (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水 居於水底的. 亞熱帶的
Southwest Atlantic: Atlantic draining rivers of southern South America.
西南大西洋: 大西洋注入南美洲南部的河。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 11.8, range 14 - 25 cm
Max length : 42.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 26848); common length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 6077)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西南大西洋: 大西洋注入南美洲南部的河。
Mazzoni, R., J. Petito and J.C. Miranda, 2000. Reproductive biology of Genidens genidens, a catfish from the Maricá Lagoon, RJ. Ciéncia e Cultura 52(2):121-126. (Ref. 39699)
人類使用
漁業: 商業性
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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 (0.00617 - 0.00890), b=3.06 (3.01 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Generation time: 2.7 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec=5).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 81.9 [42.2, 233.9] mg/100g; Iron = 1.15 [0.72, 2.11] mg/100g; Protein = 18.3 [16.6, 20.1] %; Omega3 = 0.462 [0.249, 0.869] g/100g; Selenium = 25 [13, 50] μg/100g; VitaminA = 11.3 [4.4, 30.8] μg/100g; Zinc = 0.817 [0.547, 1.239] mg/100g (wet weight);