分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Carangiformes (Jacks)
鱸形目 (Jacks) >
Carangidae (Jacks and pompanos)
鰺科 (Jacks and pompanos) > Scomberoidinae
Etymology: Oligoplites: Greek, oligos = small + Greek, hoplites = armed (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 底中水層性; 深度上下限 18 - 45 m (Ref. 3277). 熱帶; 16°N - 26°S, 89°W - 34°W
Western Atlantic: Lake Izabal, Guatemala eastward to Sao Paulo, Brazil.
西大西洋: 湖 Yzabal, 瓜地馬拉向東至聖保羅巴西。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 49.7 cm TL 雄魚/尚未辨別雌雄; (Ref. 9626); common length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9626); 最大體重: 900.00 g (Ref. 9626)
Adults are found mainly in brackish and fresh waters; also over muddy bottoms of coastal marine waters (Ref. 5217). May leap out of the water. They return to the sea to reproduce (Ref. 36880). Dorsal and anal spines bear venomous glands (Ref. 40401). Adults are carnivorous (Ref 40401) while juveniles up to 8.2 cm FL feed mainly on scales taken from larger fishes, also on benthic and planktonic crustaceans, and to a minor extent on smaller fishes and polychaetes (Ref. 40402). Juveniles up to 3.0 cm TL adopt a dark brown color pattern while close to decaying plant fragments, an example of camouflage (Ref. 40401, 46533). Over open, detritus-free and light colored sandy bottom, adopts a contrasting yellowish and dark brown pattern, an example of warning colors. Its conspicuous colors are mimicked by juveniles of the non-venomous grunt Pomadasys ramosus (Ref. 46533).
主要發現於半鹹淡水與淡水了; 也在海洋沿岸水域的泥底部之上。 (參考文獻 5217) 可以跳出水面。 回到海洋繁殖的一個肉食性的魚.(參考文獻 36880) 在背鰭與臀鰭棘上有有毒的腺。 (參考文獻 40401) 稚魚向上到 8.2 公分 FL 主要捕食取自較大的魚鱗片, 也在底棲性與浮游性的甲殼動物上, 而且對較小的範圍捕食小魚與多毛類的.(參考文獻 40402) 稚魚向上到 3.0 公分TL 擁有一個深褐色的彩色斑紋，狀似腐敗植物碎片，一個偽裝的例子.(參考文獻 40401,46533) 在開放的﹐無碎屑與淡色的沙質底部之上, 擁有一個對比淡黃色而深褐色的圖案，一個警告顏色的例子。 它的顯著顏色是被非有毒的咕嚕咕嚕聲 多枝石鱸〔Pomadasys ramosus〕 的稚魚擬態.(參考文獻 46533)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西大西洋: 湖 Yzabal, 瓜地馬拉向東至聖保羅巴西。
Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 24.3 - 28, mean 27.3 °C (based on 60 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00593 - 0.01935), b=2.89 (2.73 - 3.05), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.5 se; based on diet studies.
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 (40 of 100).
