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Labeobarbus bynni (Fabricius, 1775)

Niger barb
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Image of Labeobarbus bynni (Niger barb)
Labeobarbus bynni
Picture by Bursell, J.J.


Nigeria country information

Common names: Dorawa, Edu pati, Krokiri-ikpokpo
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Type locality of the holotype of Barbus occidentalis: 'Ogun River, Lagos' (Ref. 2988). The subspecies Barbus bynni occidentalis is known from Ogun River (Ref. 2959, 2988, 31256), Niger River (Ref. 2940, 31256, 81282) and Chad basin (Ref. 31256).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ni.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Lévêque, C., 2003
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Torinae
Etymology:

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

Freshwater; benthopelagic.   Subtropical; 32°N - 3°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Nile River and lakes once connected to the Nile system (Ref. 2801, 2959); Chad, Niger, Senegal, Volta, Ouémé and Ogun river basins (Ref. 2940, 81282); coastal rivers (Sassandra, Bandama, Niouniourou, Comoé and Tano) of Côte d'Ivoire and Ghana, west of the Volta basin. Following subspecies are recognized: Labeobarbus bynni bynni; Labeobarbus bynni occidentalis and Labeobarbus bynni waldroni.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 82.0 cm TL male/unsexed; (Ref. 2801)

Short description Morphology | Morphometrics

Anal soft rays: 8. Diagnosis: last simple dorsal-fin ray forming ossified spine longer than head in specimens over 150 mm SL; scale formula 5.5/26-31/4.5-5.5; 2.5-3 scales between lateral line and middle of belly, behind pelvic-fin origin; 12 scales around caudal peduncle; dorsal fin with 4 unbrached and 9 branched rays; anal fin with 3 unbranched and 5 branched rays; pectoral fin with 16-19 rays; pelvic fin with 1 unbranched and 8 branched rays; 3-5/12-15 gill rakers on first gill arch (Ref. 2940, 81282).

Biology     Glossary (e.g. epibenthic)

Feed on crustaceans, insects, molluscs and organic debris; in the Jebel Aulia Reservoir, annual spawning coincides with the onset of the floods; fecundity estimates ranged from 72 x 1,000 at 33 cm (4 yrs.) to over 14 x 10,000 at 74 cm (8 yrs) (Ref. 28714).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 31 March 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Gamefish: yes
FAO(Publication : search) | FishSource |

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Common names
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Reproduction
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Fecundity
Eggs
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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=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.40 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.26).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (39 of 100).