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); serrano: The specific epithet serrano from Portuguese, means inhabitant of the "serras"; an allusion to the high plateau where the headwaters of Rio Uruguay are located (Ref. 27672).
More on authors: Buckup & Reis.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 溫帶
South America: upper Uruguay River basin in Brazil.
南美洲: 烏拉圭河流域上游。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 27672)
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: 9; 脊椎骨: 36. Is uniquely diagnosed by the presence of 10 to 14 oblique bars on the sides of the body, extending posteroventrally from the lateral line and independent of the 8 or 9 dorsal transverse bars which are usually present in species of Characidium. Is also distinguished from other species of Characidium from southern Brazil, except C. pterostictum, by the spotted caudal fin. From C. pterostictum, it is easily distinguished by the number (12) of series scales around the caudal peduncle (14 in C. pterostictum). Fourth ray of pectoral fin ray longest, not reaching or just reaching to pelvic fin origin. Third or fourth ray of pelvic fin longest, reaching area between anal opening and anal fin origin (Ref. 27672).
獨特地被鑑定藉由有 10 到 14個斜紋在身體側邊上, 腹面後方地延伸從側線與 8 或者 9 的中立派背部的橫跨橫帶通常那是出現在 Characidium 的種. 除了 C. pterostictum 以外，也被與來自巴西南部的其他種的 Characidium 區分, 藉由有斑點的尾鰭。 從 C. pterostictum ，它尾梗的周圍是藉著容易地區別的系列鱗片的數字 (12) 。 (14 在 C. pterostictum 中) 胸鰭鰭條的第四鰭條長的, 不達到或正好延伸到腹鰭起點。 腹鰭的第三或第四鰭條長的, 達到在肛門開口與臀鰭起源之間的區域.(參考文獻 27672)
All specimens collected were from middle courses of medium-sized rivers with rocky and muddy bottoms and moderate to strong water current (Ref. 27672).
收集的所有的標本來自中等大小河的中央路線有岩石的與泥底部與平穩或強烈的水流.(參考文獻 27672)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 烏拉圭河流域上游。
Buckup, P.A. and R.E. Reis, 1997. Characidiin genus Characidium (Teleostei, Characiformes) in Southern Brazil, with description of three new species. Copeia 1997(3):531-548. (Ref. 27672)
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年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
