Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Colossomatinae
Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos , ago = to carry.
Issue
See Géry (1986: 102) for more detail.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; 河川洄游 (Ref. 51243). 亞熱帶的; 15°S - 38°S, 66°W - 42°W
South America: Paraguay-Paraná River basin.
南美洲: 巴拉圭- 巴拉納河的流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 40.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 39031); 最大体重: 20.0 kg (Ref. 32894)
Dark grey to silver dorsally and laterally and white ventrally with a yellow breast.
深灰色的到银色的背面而且侧面地与腹侧白色的具有一个黄色的胸部。
Invades the flooded forests to feed on nuts and seeds which fall from trees (Ref. 32894). Reaches around 50.0 cm SL (Ref. 81048).
侵入被水淹没的森林觅食坚果与从树掉下的种子。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Assuming standard characid reproduction. Replace ASAP.南美洲: 巴拉圭- 巴拉納河的流域。
Lovshin, L.L., 1995. The colossomids. p. 153-159. In C.E. Nash and A.J. Novotny (eds.) World animal science: production of aquatic animals: fishes. Elsevier Science, Amsterdam, The Netherlands. (Ref. 32894)
世界自然保护联盟红皮书 (Ref. 130435)
临近濒危 (NT) (A2bcde); Date assessed: 21 December 2020
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 商业性; 养殖: 商业性
工具
特别资料
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网络资源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.01070 - 0.05632), b=3.00 (2.80 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
