分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Chasmocranus: Greek, chanos, -eos, ous, and chasma, -atos = abyss, mouth opened, inmensity + Greek, kranion = skull (Ref. 45335).
More on author: Eigenmann.
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: Mana and Marowijne/Maroni river basins, and Potaro River.
南美洲: Mana 與 Marowijne/Maroni 河流域 , 與 Potaro 河。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 7.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 35381)
Rather rare (7 to 8 specimens known) maybe due to the very specialized biotope in which Heptapterus longior might be present. It is therefore poorly identified, also considering that the original description, rather poor, identifies it only in comparison with H. longior starting from the size of the adipose fin and the more pointed caudal fin (Ref. 35381).
相当稀有的 (知道的 7 到 8件标本) 也许由于非常特殊化的生存环境在那一个 Heptapterus longior 可能在场。 因此它是贫乏地鉴定, 也就而论最初的描述, 相当少量, 鉴定它用脂鳍与那比较尖的尾鳍 H. longior 出发从大小只在比较中.(参考文献 35381)
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: Mana 與 Marowijne/Maroni 河流域 , 與 Potaro 河。
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36914)
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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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00379 - 0.01743), b=2.97 (2.79 - 3.15), 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): 3.4 ±0.4 se; based on size and trophs of closest relatives
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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