Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
Africa: River Ruo above Zoa Falls, Malawi.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 17.8 cm SL hane/ej könsbestämd; (Ref. 33082)
Mjukstrålar i ryggfenan (totalt) : 12 - 14; Mjukstrålar i analfenan: 8.
Occurs in fast flowing rocky stretches of river and deeper pools in the mainstream of the River Ruo above Zoa Falls. Occurs together with V. dimidiatus.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Tweddle, D. and P.H. Skelton, 1998. Two new species of Varicorhinus (Teleostei: Cyprinidae) from the Ruo River, Malawi, Africa, with a review of other southern African Varicorhinus species. Ichthyol. Explor. Freshwat. 8(4):369-384. (Ref. 33082)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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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=0.00955 (0.00430 - 0.02123), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
