分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 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 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 26.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 7094)
背棘 (總數) : 0; 背的軟條 (總數) : 19 - 24; 臀棘: 0; 臀鰭軟條: 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.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01318 (0.00572 - 0.03038), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |
營養素 (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); |