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Polypterus delhezi Boulenger, 1899

Barred bichir
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Polypterus delhezi
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Congo (Kinshasa) country information

Common names: Nkonga
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Pool Malebo (Ref. 41585, 44985), middle Congo River (Ref. 88113), Kasai (Ref. 41591), Lake Mai-Ndombe (Ref. 1877), Lake Tumba (Ref. 41580, 44984), Ngiri River (lower Ubangi tributary)(Ref. 44796), Yenge River (Tshuapa tributary, Ruki drainage) (Ref. 93897) and the Itimbiri (Ref. 106290). Also Ref. 1878, 1879, 2060, 4537, 41585, 41588, 41590, 42848, 44796, 44842, 44912.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Matthes, H., 1964
National Database:

Common names from other countries

Stribet bikir, 戴氏多鳍鱼, Zaire-Flösselhecht, ... more

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Cladistii > Polypteriformes (Bichirs) > Polypteridae (Bichirs)
Etymology: Polypterus: Greek, poly = a lot of + Greek, pteron = wing, fin (Ref. 45335);  delhezi: Named after M. Delhez, collector of the first specimen of Polypterus delhezi (Ref. 1877).
  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 居于水底的.   熱帶; 26°C - 28°C (Ref. 2060)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: middle Congo River basin (Ref. 3188) in Democratic Republic of the Congo and Republic of Congo. Reports from the Shari (Chad basin)(Ref. 1878, 3047, 3049) unconfirmed in Ref. 81263.
非洲: 剛果河的中央流域.(參考文獻 3188)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 44.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 42908)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 10 - 13; 臀棘: 0; 臀鳍软条: 11 - 14. Subcylindrical body (Ref. 42908). Upper and lower jaws reaching to the same level, or the lower jaw is a little shorter (Ref. 42873, Ref. 42901, Ref. 42908). Number of dorsal finlets: 10-13 (Ref. 42908, Ref. 51884). Pectoral fin not reaching dorsal fin origin (Ref. 41588). Ganoid scales (Ref. 42908): 52-58 lateral line scales, 36-40 scales around body, 12-17 predorsal scales (Ref. 41588, Ref. 42848, Ref. 42908, Ref. 51884). Dorsal side gray-olive colored, with 7 to 8 black transversal bars; ventral side yellowish, lighter on ventral side of head (Ref. 41580; Ref. 44841). Spots are forming a black line between the lips and suboperculum (Ref. 41580). Fins yellow with brown or black spots (Ref. 41580).
近圆柱形的身体.(参考文献 42908) 稍微延伸到相同的水平 , 或下面的颌上颌与下颌比较短。 (参考文献 42873, 参考文献 42901, 参考文献 42908) 背部离鳍的数字: 10-13.(参考文献 42908, 参考文献 51884) 胸鳍不延伸到背鳍起点。 (参考文献 41588) 硬鳞:(参考文献 42908) 52-58个侧线鳞片, 身体的周围 36-40个鳞片,12-17 前背的鳞片.(参考文献 41588, 参考文献 42848, 参考文献 42908, 参考文献 51884) 背部两侧灰色-橄榄色色彩,7 到 8个黑色的横纹; 腹的旁淡黄色的, 颜色淡的在腹的头侧上 (参考文献 41580; 参考文献 44841)。 斑点正在形成一个在唇与子鳃盖之间的黑色线。 (参考文献 41580) 鳍黄色的有褐色或黑色的斑点。 (参考文献 41580)

生物学特性     字汇 (例如 epibenthic)

Facultative air-breathing (Ref. 126274); This carnivorous fish lives in streams, lakes and zones of flood (Ref. 41580). Reproduction and spawning occurs during the rainy season (Ref. 41580).

这个肉食性的鱼生活在溪流，湖与洪泛区中。 (参考文献 41580) 繁殖而且在雨季的时候产卵.(参考文献 41580)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Reproduction occurs during the rainy season (Ref. 41580).非洲: 剛果河的中央流域.(參考文獻 3188)

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 16 February 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 自给性渔业; 水族馆: 公众的水族馆
FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00195 - 0.01073), b=3.05 (2.85 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.2   ±0.25 se; based on food items.
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (Fec=2,350; tmax likely > 15 years).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100).
价格分类 (Ref. 80766):   Unknown.