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Polypterus congicus Boulenger, 1898

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Polypterus congicus
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Congo (Kinshasa) country information

Common names: Elonga, Elonga, Elonga
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the lower Congo River (Ref. 43035), Pool Malebo (Ref. 41585, 41588, 44842, 44985, 45486), middle Congo River (Ref. 4910, 43035), Sankuru (Ref. 43033, 43035), Lake Tumba (Ref. 41580), the Ubangui River (Ref. 1884, 45441), Uélé (Ref. 41594, 43035), Wagenia Falls (Ref. 88113, 106245), Lualaba (Ref. 2970, 42112, 45434) and upper Lualaba (Ref. 88113). Also Ref. 1879, 2264, 3188, 4910, 4913, 41594, 42033, 42480, 42907, 42908, 43035, 45616, 45619, 45626.
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: Schäfer, F., 2004
National Database:

Common names from other countries

卡坦多鳍鱼, 刚果多鳍鱼, Kongo hulkuim, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Polypteriformes (Bichirs) > Polypteridae (Bichirs)
Etymology: Polypterus: Greek, poly = a lot of + Greek, pteron = wing, fin (Ref. 45335).
  More on author: Boulenger.

Issue
This species is a synonym of Polypterus endlicherii Heckel, 1847 in Eschmeyer (Eschmeyer (CofF ver. Sep. 2011: Ref. 88002): Ref. 88002).

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 底生の; 深さの範囲 0 - 10 m (Ref. 36901).   Tropical

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Africa: widespread in the Congo River basin; also present in Lake Tanganyika (Ref. 43033, 88113).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 97.0 cm TL オス/雌雄の選別がない; (Ref. 41580); 最大公表体重: 4.4 kg (Ref. 44840)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 12 - 15; 肛門の骨: 12 - 15. Compressed body (Ref. 42908, Ref. 43035). Lower jaw prominent, longer than upper jaw (Ref. 36901). Number of dorsal finlets: 12-15 (Ref. 42908). Pectoral fin reaching dorsal fin origin (Ref. 45485). Ganoid scales (Ref. 42904, Ref. 43035): 55-59 lateral line scales, 46-52 scales around body, 11-16 predorsal scales (Ref. 2970, Ref. 36901, Ref. 42908, Ref. 44840, Ref. 45485). Dorsal side gray colored, ventral side paler, yellowish, with 6 to 9 darker transversal bars (Ref. 41580, Ref. 43035). Fins with weak blackish spots (Ref. 41580).

生物学     用語集 (例 epibenthic)

Facultative air-breathing (Ref. 126274); This carnivorous fish lives in streams, lakes and zones of flood (Ref. 4910, Ref. 41580). In Lake Tanganyika it is mostly found at the mouth or delta of rivers and lagoons (Ref. 36901). Not commercially important (Ref. 4967).

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

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Suzuki, D., M.C. Brandley and M. Tokita, 2010. The mitochondrial phylogeny of an ancient lineage of ray-finned fishes (Polypteridae) with implications for the evolution of body elongation, pelvic fin loss, and craniofacial morphology in Osteichthyes. BMC Evolutionary Biology 10:1-12. (Ref. 88084)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 16 February 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 少数商業の
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).
栄養段階 (Ref. 69278):  3.3   ±0.54 se; based on food items.
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (59 of 100).
価格帯 (Ref. 80766):   Unknown.