Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: upper and middle Amazon basin and rivers Essequibo, Branco and Negro.
南美洲: 上游與中游的亞馬遜河流域與河 Essequibo , Branco 與尼格羅河。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 18.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 33012)
简单描述
型态特徵 | 形态测量图
背的软条 (总数): 11; 臀棘 4-5; 臀鳍软条: 41 - 43; 脊椎骨: 37 - 40. This species is distinguished from R. molossus by having fewer branched anal-fin rays (41-43, versus 43-47). It differs from R. itupiranga by having more anal-fin rays (41-43, versus 38-41), fewer scale rows between lateral line and anal-fin origin (15-16, versus 18-19) and fewer scale rows around caudal peduncle(27-28, versus 30-31).
这种被与 R. molossus 区分藉着具有较少数分枝的臀鳍棘条.(41-43, 对 43-47) 它有别于 R. itupiranga 藉着具有更多的臀鳍棘条 (41-43, 对 38-41), 尾柄的周围在侧线与臀鳍起源 (15-16, 对 18-19) 与较少的鳞片列之间的较少的鳞片列.(27-28, 对 30-31)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 上游與中游的亞馬遜河流域與河 Essequibo , Branco 與尼格羅河。
Menezes, N.A. and C.A.S. de Lucena, 1998. Revision of the subfamily Roestinae (Ostariophysi: Characiformes: Cynodontidae). Ichthyol. Explor. Freshwat. 9(3):279-291. (Ref. 33012)
CITES (Ref. 128078)
Not Evaluated
人类利用
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工Mass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00182 - 0.01257), b=3.13 (2.90 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
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): Low vulnerability (13 of 100).