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Labeo nigricans Boulenger, 1911

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drawing shows typical species in Cyprinidae.

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> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Labeoninae
Etymology: Labeo: Latin, labeo = one who has large lips (Ref. 45335);  nigricans: Latin nigrum, nigri - black; name refers to the blackish coloration of the body (Ref. 26192).
More on author: Boulenger.

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

; 新鮮な水 底生の漂泳性. Tropical; 4°N - 7°S

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: Pool Malebo, middle Congo River and Sankuru River in Democratic Republic of the Congo (Ref. 26192). Also reported from the Wagenia Falls (Ref. 106245).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 4.6 cm SL オス/雌雄の選別がない; (Ref. 26192)

簡単な記述 検索表 | 形態学 | 形態計測学

背鰭 (合計) : 12 - 13. Lips plicate; dorsal fin slightly concave with 12 to 13 branched rays; eyes in lateral position; genital orifice near the origin of the anal fin; 2 pairs of barbels well-developed, visible externally (Ref. 26192).

生物学     用語集 (例 epibenthic)

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

Tshibwabwa, S.M., 1997. Systématique des espèces africaines du genre Labeo (Teleostei, Cyprinidae) dans les régions ichtyogéographiques de Basse-Guinée et du Congo. II. Presses Universitaires de Namur, Namur, Belgique. 227 p. (Ref. 26192)

IUCNのレッドリストの状況は (Ref. 130435)

  欠足データ (DD) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
回復力 (Ref. 120179):  高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).