分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Clariidae (Airbreathing catfishes)
Etymology: Heterobranchus: Greek, heteros = other + Greek, brangchia = gill (Ref. 45335).
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; 22°C - 28°C (Ref. 12468); 35°N - 4°N
Africa: Nile (Ref. 3820), Senegal, Gambia, Volta,
Niger, Benue rivers and Lake Chad (Ref. 57129).
非洲: 尼羅河。 非洲: 查德流域,尼日,佛塔河上游,幾內亞與塞內加爾。 也已知來自甘比亞河。 (參考文獻 7357)
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 150 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3820); 最大体重: 30.0 kg (Ref. 3799)
背棘 (总数) : 0; 背的软条 (总数) : 40 - 46; 臀鳍软条: 49 - 58; 脊椎骨: 62 - 63. Diagnosis: length of rayed dorsal fin 37-42% standard length; 40-46 dorsal-fin rays; length of adipose fin 22-27% standard length (Ref. 57129). No serrations on the anterior part of the pectoral spine (Ref. 270, 57129). Head oval-shaped to rectangular dorsally; snout broadly rounded; eyes rather laterally placed; frontal fontanelle long and narrow; occipital fontanelle relatively long and oval shaped; 'postorbital' bones completely united; suprabranchial organ well developed; pectoral spine smooth; openings of secondary sensory canals with regular geometric pattern (Ref. 270).
Coloration: preserved specimens: greyish-brown on back and sides, pale brown on belly; some specimens show a marbled colouration, particularly on posterior part of body; caudal fin often with one or more vertical cross-bars (Ref. 57129). Body and fins occasionally with irregularly placed spots (Ref. 270).
Body shape (shape guide): elongated; Cross section: circular.
头部椭圆形的到矩形的背面; 吻宽广地圆的; 眼相当侧面地放置。 额骨囱门长而狭窄的; 后头骨囱门相当长而椭圆形的。 眼眶后的' 硬骨完全地联合了。 鳃前的器官发展良好的。 胸棘平滑的。 第二感觉管的开口具有规则的几何学的图案。 身体与鳍偶然地有不规则的放置斑点。
Facultative air-breathing (Ref. 126274); Hardly anything is known about the biology of this species (Ref. 78218). Maximum reported size for West Africa: 800 mm TL (Ref. 57129).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 尼羅河。 非洲: 查德流域,尼日,佛塔河上游,幾內亞與塞內加爾。 也已知來自甘比亞河。 (參考文獻 7357)
Teugels, G.G., B. Denayer and M. Legendre, 1990. A systematic revision of the African catfish genus Heterobranchus Geoffroy-Saint-Hilaire, 1809 (Pisces: Clariidae). Zool. J. Linn. Soc. 98:237-257. (Ref. 270)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 商业性
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00832 (0.00506 - 0.01366), b=2.97 (2.83 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.7 ±0.7 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
High to very high vulnerability (74 of 100). 🛈 |
价格分类 (Ref. 80766) |
Unknown.
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