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Labeobarbus johnstonii (Boulenger, 1907)

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Labeobarbus johnstonii
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Tanzania country information

Common names: Kadyakolo, Kuju, Ngumbo
Occurrence: native
Salinity: freshwater
Abundance: scarce (very unlikely) | Ref: Eccles, D.H., 1992
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Lake Malawi (Ref. 4967). Found inshore, ascending rivers to breed (Ref. 4967). It was common in 1939, but now rare (Ref. 4967).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tz.html
National Fisheries Authority: http://www.isp.msu.edu/AFRICANSTUDIES/PLEA/TAFIRI.HTM
Occurrences: Occurrences Point map
Main Ref: Eccles, D.H., 1992
National Database:

Common names from other countries

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

> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Torinae
Etymology:   More on author: Boulenger.

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

; süßwasser benthopelagisch; potamodrom (Ref. 51243).   Tropical; 8°S - 15°S

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

Africa: Lake Malawi basin (Ref. 2801, 75045).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 30.4  range ? - ? cm
Max length : 50.0 cm SL Männchen/unbestimmt; (Ref. 4967)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 12-14; Afterflossenstacheln 0; Afterflossenweichstrahlen: 8 - 9; Wirbelzahl: 40 - 43. Diagnosis: High lateral line scale count, 31-40 scales on lateral line; long, robust barbelsof equal length; and enlarged, molariform pharyngeal teeth (Ref. 75045).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabits inshore areas of the lake, but ascends rivers to breed (Ref. 4967). Found in all types of habitat and occurs in groups of about 25 individuals; not exported for trade (Ref. 5595).

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

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 19 June 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

Fischereien: kommerziell
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=0.00933 (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):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).
Preiskategorie (Ref. 80766):   Unknown.