Country Species Summary
More info | Plus d'info | Mais info | Fishwatchers: Add your observation | Attach your web site to this page | FishBase
English | Español | Português | Français | Deutsch | Italiano | Nederlands | Chinese      More languages...

Brycinus jacksonii in Uganda
Victoria robber
Go to Species Summary
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)
Update | Add

Uganda country information
Common names: Nsoga Ref:  van Oijen, M.J.P., 1995
Status: native Ref: 
Salinity: freshwater
Regulations: no regulations Ref: 
Uses: no uses
Comments: Reported from the Victoria Nile (Ref. 34290).
Country
Information:
www.cia.gov/cia/publications/factbook/geos/ug.html
National
 Fisheries
 Authority:
isp.msu.edu/AfricanStudies/Plea/firi.htm
Occurrences: Occurrences    Point map
Main Ref: Paugy, D., 1984
Update


More information:  
Countries
FAO areas
Occurrences
Introductions
Ecosystem
Ecology
Diet
Food items
Food consumption
Ration
Predators
Ciguatera
Fish loss
Common names
Synonyms
Pictures
Sounds
Reproduction
Maturity
Spawning
Eggs
Egg dev.
Larvae
Larval dynamics
References
Growth
L-W relationship
L-L relationship
Length frequencies
Recruitment
Max. age & size
Metabolism
Morphology
Morphometrics
Gill area
Brains
Vision
Collaborators
Genetics
Allele frequencies
Heritability
Strains
Aquaculture
Aquaculture profile
Diseases
Ecotoxicology
Processing
Speed
Swim. type
Stamps
Note: No data are available if label is black .

Tools: Biogeographic modelling | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |

Internet sources:   BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Scirus | Public aquariums | Tree of Life | Zoological Record

Note: use the Back button of your browser to return to FishBase.

  Modified:  Garilao, Cristina V. Entered:  Sa-a, Pascualita

Ref.:  
Glossary
(e.g. 9948) (e.g. cephalopods)
ThisFishForum      Comments & Corrections      Sign our Guest Book
Search FishBase Back to Search
CGNET - US
Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07