Brycinus ferox, Large-toothed Lake Turkana robber : fisheries

Brycinus ferox (Hopson & Hopson, 1982)

Large-toothed Lake Turkana robber
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Brycinus ferox
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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Characiformes (Characins) > Alestidae (African tetras)
Etymology: Brycinus: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335).

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

; sötvatten pelagiska.   Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Africa: endemic to Lake Turkana, Kenya (Ref. 52331, 53378).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.1 cm SL hane/ej könsbestämd; (Ref. 52331)

Short description Morfologi | Morfometri

It has sharply pointed fang-like teeth and a muzzle-like prognathous snout (Ref. 53378). Pale fawn with silvery scales, darker on the dorsal surface (Ref. 53378). Both lobes of the caudal fin marked with red chromatophores on the lower lobe (Ref. 53378). The dorsal surface is lightly patterned with melanophores in preserved specimens, heavier in a band on the middorsal line (Ref. 53378). Characteristic patches of black pigment are present on the snout, on the lower jaw and on the mid-lateral portion of the caudal peduncle (Ref. 53378). Distal margin of caudal fin with broad edging of black pigment (Ref. 53378).

Biologi     Ordlista (t.ex. epibenthic)

Pelagic, restricted to offshore waters; feeds chiefly on prawns, zooplankton and insects with an increasing proportion of small fish in larger individuals; spawns within lake; dominant species in terms of standing stock in Lake Turkana (Ref. 53378).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Hopson, A.J. and J. Hopson, 1982. The fishes of Lake Turkana with a description of three new species: Alestes ferox sp. nov., Alestes minutus sp. nov. (Pisces: Characidae) and Barbus turkanae sp. nov. (Pisces: Cyprinidae). p. 283-347. In A.J. Hopson (ed.) Lake Turkana. A report on the findings of the Lake Turkana project 1972-1975. Overseas Development Administration, London. 1873 p. (Ref. 53378)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 31 January 2006

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri:
FAO(Publication : search) | FishSource |

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Födointag
Näringsinnehåll
Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Allelfrekvenser
Ärftlighet
Sjukdomar
Behandling
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

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Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00541 - 0.02797), b=3.00 (2.81 - 3.19), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.1   ±0.4 se; Based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.