分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Myleinae
Etymology: Ossubtus: Latin, os = bone + Latin, sub = under (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 22°C - 25°C (Ref. 12468)
South America: Xingu River basin in Brazil.
南美洲: Xingu 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 111518); 最大體重: 379.30 g (Ref. 111518)
Feeds on aquatic macrophytes and filamentous algae (Ref. 26700). In the aquarium it will feed on flakes and frozen food, but will also hunt down a large shrimp. Females are aggressive towards other females and can have several males in following (Calum Chalmers, pers. comm. 2007).
吃水生的大型植物與菌絲藻。 (參考文獻 26700) 在水族館，它將吃薄片與冷凍食物, 但是也會追捕一個大的蝦。 雌性是對其他的雌性具有侵略性而且能有一些雄性在下列各項 (Calum Chalmers ， pers. comm。 2007)。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: Xingu 河流域。
Jégu, M., 1992. Ossubtus xinguense, nouveaux genre et espece du Rio Xingu, Amazonie, Bresil (Teleostei: Serrasalmidae). Ichthyol. Explor. Freshwat. 3(3):235-252. (Ref. 26700)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02042 (0.01120 - 0.03721), b=2.97 (2.81 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
