Brycinus imberi, Spot-tail : fisheries, aquarium, bait

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Brycinus imberi (Peters, 1852)

Spot-tail
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Brycinus imberi
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Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Alestidae (African tetras)
Etymology: Brycinus: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335);  imberi: In Hoedemann 1951..
More on author: Peters.

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

; zoetwater demersaal; pH range: 6.0 - 6.5; dH range: 4 - 18; potamodroom (Ref. 51243). Tropical; 22°C - 26°C (Ref. 1672); 23°S - 31°S

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Africa: Mono River in Togo to Nipoué River in Liberia (Ref. 2880, 81279). Widely distributed in the Congo River basin (Ref. 42019). Also in the middle Zambezi (Ref. 95585), lower Zambezi, Wami River in Tanzania to Pongolo River in South Africa; Lakes Malawi, Rukwa, Rufiji and Ruvuma; on the western coast in the Quanza and the Nyanga, Tanganyika tributaries, Lake Kariba, Cunene River (Ref. 5331).

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm 9.3  range ? - ? cm
Max length : 19.8 cm TL mannelijk/geslacht niet bekend; (Ref. 2880); Maximaal gepubliceerd gewicht: 300.00 g (Ref. 7248); Maximaal vermelde leeftijd: 5 jaren (Ref. 7248)

Korte beschrijving Morfologie | Morfometrie

Anale stekels 0; Anale zachte stralen: 14 - 18. Diagnosis: parietal fontanella absent in adults and porelinke in juveniles, disappearing with growth; snout short, comprised over three times in head length; dorsal-fin origin at same level as, or scarcely behind, pelvic-fin insertions; head narrow; adults medium-sized; sexual dimorphism affecting anal-fin shape in adult males; no band or spots on sides; caudal fin red, not black-edged; 4.5 scales between lateral line and dorsal fin; 21-31 lateral line scales; 11-16 anal fin branched rays; 8/8 premaxillary teeth; 16-20 gill rakers in lower part of first branchial arch (Ref. 2880, 81279).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Found in shallow and sheltered waters of swampy bays. Generally restricted to shallow waters where they may be found in various habitats such as over sand, rock or, less frequently, in aquatic weed beds (Ref. 13337). Common in shallow vegetated areas (Ref. 4967). Also found in large rivers and floodplain pans and lagoons. Feeds on insects, tiny fishes, vegetable matters (Ref. 5595) and crustaceans (Ref. 13337). Main predator is the tigerfish (Ref. 7248). Breeds in summer, migrating to spawning sites after rains. Migrates to tributary rivers and floodplains when the rivers come down in spate (Ref. 13337). Known to mass at river mouths while waiting for suitable conditions to trigger off the breeding migrations upstream (Ref. 13337). Used as live bait for tigerfish and large catfish (Ref. 13337). Affinities: B. carolinae, with lateral stripe; B. nigricauda with wide black margin on caudal fin.

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Assumed to be the same as Arnoldichthys spilopterus.

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Paugy, D., 1990. Characidae. p. 195-236. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)

Status op de Rode Lijst van het IUCN (Ref. 125652)

  Niet bedreigd (LC) ; Date assessed: 22 May 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





Gebruik door de mens

Visserij: visserij voor eigen gebruik; Aquarium: Commercieel; aas: usually
FAO - Publication: search | FishSource |

Meer informatie

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voedselitems
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voedselhoeveelheid
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Geslachtsrijpheid
Kuitschieten
Spawning aggregation
Fecundity
Eieren
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Leeftijd/Grootte
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Lengte-gewicht parameters
Lengte-lengte parameters
Lengtefrequenties
Morfometrie
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Populatiedynamica van de larven
recrutering
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Internet-bronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher gegevens | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | 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=0.01202 (0.00949 - 0.01523), b=2.97 (2.92 - 3.02), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.48 se; based on food items.
Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=1.4; tmax=5).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
Prijsklasse (Ref. 80766):   Unknown.