分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Xenocharax: Greek, xenos = strange + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Günther.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 大洋性. 熱帶
Africa: coastal river basins of the Republic of Congo, Gabon and Cameroon (Ref. 81638, 114931). Reports from the Congo River basin (Ref. 4910, 45441, 46233, 80287, 81638) refer to Xenocharax crassus (Ref. 114931).
非洲: 剛果河中央流域, 從 Nyong 到剛果河下游的沿海河川。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 26.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 7094)
背棘 (总数) : 0; 背的软条 (总数) : 19 - 24; 臀棘: 0; 臀鳍软条: 13 - 17. Diagnosis: two rows of teeth in upper jaw and 3 in lower jaw; completely pored lateral line with 63-75 lateral line scales; total of 19-24 rays in dorsal fin and 13-17 rays in anal fin; 13-16 scales between dorsal fin origin and lateral line (Ref. 81638).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
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: 剛果河中央流域, 從 Nyong 到剛果河下游的沿海河川。
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
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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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): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00575 - 0.03024), b=3.04 (2.84 - 3.24), 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
渔业脆弱性 (Ref.
59153): Low vulnerability (16 of 100).
🛈
营养素 (Ref.
124155): Calcium = 146 [61, 371] mg/100g; Iron = 2.15 [1.07, 5.55] mg/100g; Protein = 19.5 [17.3, 21.8] %; Omega3 = 0.67 [0.25, 1.85] g/100g; Selenium = 55.4 [20.0, 173.9] μg/100g; VitaminA = 37.1 [12.5, 113.0] μg/100g; Zinc = 1.65 [1.12, 2.49] mg/100g (wet weight);
