分类 / Names
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Teleostei >
Characiformes (Characins) >
Curimatidae (Toothless characins)
Etymology: Cyphocharax: Greek, kyphos = curved, humpback + Greek, charax = a marine fish without identification (Ref. 45335).
Eponymy: This is a toponym referring to the Río Magdalena, western Colombia, where these species are found. (Ref. 128868), visit book page.
More on author: Steindachner.
Issue
See Vari (1992:56) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶; 22°C - 29°C (Ref. 36880)
South America: Magdalena and Atrato River basins, rivers of Pacific versant of Panama, and southwestern Costa Rica.
南美洲: Magdalena 與 Atrato 河流域，巴拿馬的太平洋山的斜坡的河與西南方的哥斯大黎加。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 27.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 125980); 最大体重: 290.00 g (Ref. 125980)
背棘 (总数) : 0; 背的软条 (总数) : 11 - 12; 臀棘: 0; 臀鳍软条: 9 - 10; 脊椎骨: 31 - 33. Differs from other Cyphocharax (except aspilos) by the absence of multiple series of longitudinal patterns of dark pigmentation on body, the absence of a large spot of pigmentation on the body, the absence of a large spot of pigmentation on the dorsal fin, the absence of a rotund spot or longitudinal stripe of dark pigmentation on the midlateral surface of the caudal peduncle, the number of lateral line scales, and the depth of caudal peduncle of 0.13-0.15 of SL (Ref. 11334).
有别于其他 Cyphocharax(除了 aspilos 以外) 在身体上的深色颜色的藉由缺少多个成列纵向图案, 那在身体上缺乏一个颜色的大斑点, 那在背鳍上缺乏一个颜色的大斑点, 那在尾梗的侧面中央表面，侧线鳞片的数字上缺乏一个圆的斑点或深色颜色的纵向斑纹, 与尾柄的深度 0.13-0.15 SL.(参考文献 11334)
Inhabits rivers or creeks of moderate current between 20 and 10 m elevation. Abundant in shallow waters over sand or mud bottoms where it feeds on detritus, diatoms and algae (Ref. 36880). Found in swamps or marshes and rivers (Ref. 26543). Feeds exclusively on detritus (Ref. 26543).
栖息于在 20 与 10 公尺海拔之间的平稳水流的河或小溪。 丰富的在浅水区中之上沙或泥底部在哪里它吃碎屑，硅藻与藻类.(参考文献 36880) 发现于沼泽或湿地与河了。 (参考文献 26543) 只吃碎屑。 (参考文献 26543)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Magdalena 與 Atrato 河流域，巴拿馬的太平洋山的斜坡的河與西南方的哥斯大黎加。
Vari, R.P., 1992. Systematics of the neotropical characiform genus Cyphocharax Fowler (Pisces, Ostariophysi). Smithson. Contrib. Zool. 529:137 p. (Ref. 11334)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
渔业: 没有兴趣
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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=0.02455 (0.01549 - 0.03890), b=2.96 (2.83 - 3.09), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.0 ±0.00 se; based on food items.
Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
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): Low vulnerability (23 of 100).
