分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: Brochis: Greek, brogchia, -as = throat, trachea (Ref. 45335); difluviatilis: From the Latin di meaning two, and fluviatilis meaning from the river, in allusion to the occurrence of the species in two major drainage basins of the Neotropics (Ref. 46825).
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的. 熱帶
South America: Brazil.
南美洲: 巴西。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 4.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 46825)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 6 - 8; 臀棘: 0; 臀鳍软条: 8 - 10. Differentiated in having serrations of posterior borders of pectoral spine restricted to proximal half of spine, and parapophyses of fourth free vertebra reduced, separated from each other, and not fused into haemal arch (Ref. 46825).
Body shape (shape guide): elongated.
鉴别特徵是有胸棘的后缘的锯齿局限于而不是被融合成脉弓的近端一半的棘, 与被与彼此分开的第四个分离的缩小脊椎骨的椎体横突了.(参考文献 46825)
Facultative air-breathing (Ref. 126274); Diurnal, found singly or in pairs (Ref. 46825).
日行性, 各别地或成对发现。 (参考文献 46825)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 巴西。
Britto, M.R. and R.M.C. Castro, 2002. New Corydoradine catfish (Siluriformes: Callichthyidae) from the upper Paraná and São Francisco: the sister group of Brochis and most of Corydoras species. Copeia 2002(4):1006-1015. (Ref. 46825)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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特别资料
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00287 - 0.01912), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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