Brycinus sadleri, Sadler's robber : fisheries

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Brycinus sadleri (Boulenger, 1906)

Sadler's robber
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Image of Brycinus sadleri (Sadler\
Brycinus sadleri
Picture by Seegers, L.

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

> Characiformes (Characins) > Alestidae (African tetras)
Etymology: Brycinus: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335).
More on author: Boulenger.

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

; süßwasser pelagisch. Tropical

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

Africa: Lakes Victoria, Kyoga and Nabugabo; Victoria Nile, Malawa River (Ref. 4903, 34290) and Middle Akagera (Ref. 46152). Also reported from Aswa River (Ref. 4903), Lake Rukwa basin (Ref. 27292) and Malagarazi River (Ref. 54847, 98755).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 13.8 cm TL Männchen/unbestimmt; (Ref. 27292)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 10; Afterflossenstacheln 0; Afterflossenweichstrahlen: 20 - 21. Anal fin margin of females straight or very slightly concave; markedly convex in males (individual rays are stouter and coarser than those of females). Silver, bluish to black dorsally; silver longitudinal band running from behind the operculum to the caudal peduncle, where it merges with an irregular black blotch which extends to the caudal fin base. All fins grey in color; other specimens all yellowish (except for pectorals). Dorsal adipose fin bright orange (Ref. 34290).

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

In Lake Victoria found in shallow inshore areas with papyrus and other aquatic vegetation (Ref. 34290). In Lakes Kyoga and Nabugabo amongst marginal vegetation; believed to run up rivers during rainy season to spawn (Ref. 4903). Present in lake and affluents in the Lake Rukwa basin (Ref. 27292). Feeds on aquatic plants and surface insects (chironomid pupae), rarely on fishes (Ref. 12526). Appears in small quantities in markets (Ref. 4967).

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

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Seegers, L., 1996. The fishes of the Lake Rukwa drainage. Ann. Mus. R. Afr. Centr., Sci. Zool., 278:1-407. (Ref. 27292)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 24 September 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: weniger kommerziell
FAO - Publication: search | FishSource |

Mehr Information

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Tools

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Öffentliche Aquarien | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

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=0.01230 (0.00541 - 0.02797), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.40 se; based on food items.
Generation time: 2.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=4.6).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100).
Preiskategorie (Ref. 80766):   Unknown.