Victoria robber (Brycinus jacksonii)

Scientific name: Brycinus jacksonii Boulenger, 1912

Victoria robber (Brycinus jacksonii)

The Victoria robber (Brycinus jacksonii) is a freshwater fish of the family Alestidae. Native range: Africa, Lake Victoria (and at least some affluent streams and rivers), Lake Nabugabo, Malawa River, Victoria Nile.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 10; Anal spines: 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Brycinus jacksonii
Family
Alestidae (African tetras)
Order
Characiformes (Characins)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
27.0
Common length
23.0
Environment
Freshwater; pelagic
Climate
Tropical
Distribution
Africa: Lake Victoria (and at least some affluent streams and rivers), Lake Nabugabo, Malawa River, Victoria Nile.
Conservation status (IUCN)
Endangered (EN) (A2acde)
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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