分類 / Names
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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Labeoninae
Etymology: Labeo: Latin, labeo = one who has large lips (Ref. 45335); nasus: From the Latin nasu meaning nose; named after the fleshy transverse appendix at the end of the snout (Ref. 12456).
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; 5°N - 10°S
Africa: lower and middle Congo River basin in Angola, Democratic Republic of the Congo and Central African Republic (Ref. 26192).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 19.0 cm TL オス/雌雄の選別がない; (Ref. 2801)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10 - 11; 脊つい: 31 - 32. Lips with transverse plicae; snout pointed and very prominent, with a fleshy upwards turned small transverse appendix; eyes very small in superolateral (almost dorsolateral) position; sometimes a darkish spot is found on the squamous caudal fin. Can be distinguished from L. sorex but for the snout length, eye diameter and postocular length (Ref. 12456).
Occurs in rapid water habitats (Ref. 1440).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Tshibwabwa, S.M. and G.G. Teugels, 1995. Contribution to the systematic revision of the African cyprinid fish genus Labeo: species from the Lower Zaire river system. J. Nat. Hist. 29:1543-1579. (Ref. 12456)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水産業: 興味がない
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00305 - 0.02858), b=3.01 (2.76 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-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).
