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Teleostei >
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Megalosciades: Named for the disproportionally large head of the type species in comparison to those observed in Sciades and close relatives.
More on author: Roberts.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 熱帶; 5°S - 9°S
Oceania: Fly River in Papua New Guinea.
大洋洲: 在巴布亞新幾內亞的飛河。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 60.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 2847)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 7; 臀棘: 0; 臀鳍软条: 20 - 22.
Inhabits river. Feeds exclusively on small fishes including clupeids, chanids and melanotaeniids.
栖息于河。 专门捕食包括鲱鱼,虱目鱼与虹银汉鱼的小鱼。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
大洋洲: 在巴布亞新幾內亞的飛河。
Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00245 - 0.00892), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 4.5 ±0.80 se; based on food items.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Moderate to high vulnerability (49 of 100).
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