分類 / Names
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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); heirmostigmata: From the Greek heirmos (series) and stigmata (plural of stigma = marks), in reference to the series of black marks present on the body sides.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: known only from rio Abelha, rio Barra Grande and rio Nestor of the upper rio Paraná basin in Brazil.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 5.4 cm SL オス/雌雄の選別がない; (Ref. 74998)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 13 - 14; 臀鰭: 10 - 11; 脊つい: 34. Distinguished from all members of the genus Characidium, except Characidium serrano (upper rio Uruguai basin), in having 8-11 incomplete oblique bars on body sides, extending upwards and downwards from the lateral line and independent of the 8 or 9 dorsal transverse bars which usually are present in Characidium species. Can be differentiated from Characidium serrano in having a wider body width (12.2-15.7%) and lower number of perforated scales on lateral line (32-35) vs. 8.7-11.1% in SL and 37-39 scales in Characidium serrano (Ref. 74998).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
da Graça, W.F. and C.S. Pavanelli, 2008. Characidium heirmostigmata, a new characidiin fish (Characiformes: Crenuchidae) from the Upper Rio Paraná basin, Brazil. Neotrop. Ichthyol. 6(1):53-36. (Ref. 74998)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (参照
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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