Niger barb (Barbus bynni occidentalis) fish species and information / pictures of Niger barb - Barbus bynni occidentalis

Niger barb (Barbus bynni occidentalis) fish species information

Scientific Name
Barbus bynni occidentalis

Common Name
Niger barb

Biology
Dorsal spines (total): 1; Dorsal soft rays (total): 13; Anal soft rays: 8. Well developed lips with round chin lobe. Last simple ray strongly ossified forming thick dorsal spine in adults (grows allometrically, shorter than the head of young and longer than head length in individual > 15 in SL). Longest dorsal ray is the 1st branched ray. Upper edge of dorsal fin slightly concave. Gill rakers in 1st branchial arch. Yellowish, slightly orange on sides, grayish back, fins more ore less yellowish. Caudal orange in young and individuals of middle size, grayish in adults. Black margin on caudal and dorsal fins.

Classification

Classified By

Boulenger, 1911

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

Africa

Distribution

Africa: Chad, Niger, Senegal, Volta, Ou?m? and Ogun basins.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.94 s.e. 0.31 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

6.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = No PD50 data many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; gamefish: yes

Vulnerability

Low vulnerability (15 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated