分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
More on author: Eigenmann.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Amazon and Essequibo River basins; and coastal basins of Guiana Shield.
南美洲: 圭亞那的亞馬遜河與 Essequibo 河流域與海岸流域遮蔽。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 7.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 101566)
Lives in groups in the upper reaches of rivers. Common in rapidly flowing water over a sandy or rocky substrate (Ref. 27188). Feeds mainly on insects which they dig from the substrate or pick from the rocks (Ref. 12225). Highly mimetic, the intensity of the black bands depends on the color of the substrate (Ref. 27188).
在河的上游中群居。 常见于在一个沙或岩石的底部上的快速流动的水。 (参考文献 27188) 主要吃昆虫他们挖从底部或者剔啄从岩石那一个。 (参考文献 12225) 高度拟态, 黑色条纹的色彩厚度仰赖底部的颜色.(参考文献 27188)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 圭亞那的亞馬遜河與 Essequibo 河流域與海岸流域遮蔽。
Buckup, P.A., 2003. Crenuchidae (South American darters). p. 87-95. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37059)
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产卵群集孕卵数卵卵的发育
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass 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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00738 - 0.01295), b=3.03 (2.96 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.3 se; based on diet studies.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
