Malawi country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in fast flowing stretches of river and deeper pools in the River Ruo and several of its tributaries above Zoa Falls. Appears to be most common in the Likabula River, particularly in rocky pools up near the base of the mountain.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mi.html
National Fisheries Authority: http://isp.msu.edu/AfricanStudies/Plea/mfri.htm
Occurrences: Occurrences Point map
Main Ref: Tweddle, D. and P.H. Skelton, 1998
National Database:

Common names from other countries

Blacktop chiselmouth, Chramule malavijská, Malawi lõunaramul, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Torinae
Etymology:

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Africa: River Ruo and several of its tributaries above Zoa Falls in Malawi.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 24.5 cm SL Männchen/unbestimmt; (Ref. 33082); max. veröff. Gewicht: 400.00 g (Ref. 33082)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 12-13; Afterflossenweichstrahlen: 8 - 9. Its dark olive dorsal surface and light golden ventral surface are sharply divided at the lower edge of the lateral line scale row. Its has relatively narrow mouth without barbels or with one pair of minute posterior barbels. The unbranched dorsal ray is flexible.

Occurs in fast flowing stretches of river and deeper pools. Common particularly in rocky pools. Feeds by scraping algae off rocks with its horny lower jaw. Varicorhinus xyrocheilus occurs sympatrically and syntopically with V. dimidiatus.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO(Publication : search) | FishSource |

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Zusammenfassung | Point data | Namen | Photos

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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=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.0 ±0.00 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (20 of 100).

Labeobarbus dimidiatus (Tweddle & Skelton, 1998)