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Brycinus jacksonii in Rwanda
Victoria robber
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Brycinus jacksonii   (Boulenger, 1912)
Family: Alestidae (African tetras)
picture (Aljac_u0.gif) by FAO
Show available picture(s) for Brycinus jacksonii
Order: Characiformes  (characins)
Class: Actinopterygii (ray-finned fishes)
FishBase name: Victoria robber
Max. size: 27.0 cm SL (male/unsexed; Ref. 34290)
Environment: pelagic
Climate: tropical
Global Importance:
Resilience:   High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution: Africa: Lake Victoria (and at least some affluent streams and rivers), Lake Nabugabo, Malawa River, Victoria Nile.
Diagnosis:   Dorsal spines (total): 0-0; Dorsal soft rays (total): 10-10; Anal spines: 0-0; Anal soft rays: 18-19. 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-grey to black-blue dorsally. Large black blotch on the caudal peduncle, with narrow extension on the caudal fin; round black spot behind the head. Dorsal fin grey, adipose dorsal fin orange. All fins grey in color; other specimens all yellowish (except for pectorals). Anal and pelvic fins of a faint orange tinge or grey with a faint yellowish sheen (Ref. 34290).
Biology: Inhabits shallow coastal waters (Ref. 4967)
Threatened: Endangered, see IUCN Red List  (A2acde) , (Ref. 36508)
Dangerous:   harmless
Coordinator:
Main Ref: Paugy, D.. 1984. (Ref. 5331)
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Rwanda country information
Common names: Ikiraba, Inshoga, Victoria robber Ref:  De Vos, L., J. Snoeks and D.F.E. Thys van den Audenaerde, 2001
Status: native Ref: 
Salinity: freshwater
Regulations: no regulations Ref: 
Uses: no uses
Comments: Known from Middle Akagera system; records of Alestes nurse (Rüppell, 1832) from the middle Akagera by Kiss (1977), Frank et al. (1984) and Plisnier et al. (1988) and of Brycinus imberi (Peters, 1852) by Paugy (1986) and Plisnier et al. (1988) refer to B. jacksonii.
Country
Information:
www.cia.gov/cia/publications/factbook/geos/rw.html
Occurrences: Occurrences    Point map
Main Ref: De Vos, L., J. Snoeks and D.F.E. Thys van den Audenaerde, 2001
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  Entered:  Pablico, Grace Tolentino

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(e.g. 9948) (e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07