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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.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. ; 5°S - 9°S
Oceania: Fly River in Papua New Guinea.
大小 / 重量 / 年龄
Maturity: 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.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.5 ±0.80 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).