Common names from other countries
分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
South America: coastal basins from Ribeira de Iguape River basin, Uruguay; Uruguay River basin.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 67.0, range 65 - 69 cm
Max length : 8.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 116915)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 11-12; 臀鰭軟條: 20. It is distinguished from all other species of Characidium from southern Brazil, except C. sp. cf., C. zebra, in having 14 series of scales around the caudal peduncle (Ref. 27672).
Usually found in creeks or small rivers with rocky bottom and clear, fast flowing water (Ref. 27672).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Miyazawa, C.S. and P.M. Galetti Jr., 1994. First cytogenetical studies in Characidium species (Pisces: Characiformes, Characidiinae). Cytologia 59:73-79. (Ref. 27418)
CITES (Ref. 128078)
Not Evaluated
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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=0.01072 (0.00618 - 0.01858), b=3.09 (2.94 - 3.24), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
