Classification / Names
Common names from other countries
Size / Weight / Age
Max length : 82.0 cm TL male/unsexed; (Ref. 2801)
Climate / Range
Subtropical; 32°N - 3°N
Africa: There are 3 subspecies known. Barbus bynni bynni is distributed in Nile River and lakes once connected to the Nile system (Ref. 2801, 2959). Barbus bynni occidentalis is known from the basins of the Chad, Niger, Senegal, Volta, Ouémé and Ogun rivers (Ref. 2940, 81282). Barbus bynni waldroni is known from coastal rivers of Côte d'Ivoire and Ghana, west of the Volta basin (Ref. 2940, 81282).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
soft rays: 5. Diagnosis: last simple dorsal-fin ray forming ossified spine longer than head in specimens over 150 mm SL. B. bynni occidentalis: 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; 9 dorsal fin branched rays; 3-5/12-15 gill rakers on first gill arch (Ref. 2940, 81282). B. bynni waldroni: scale formula 4.5/24-28/4.5; 2.5 scales between lateral line and middle of belly, behind pelvic-fin origin; 12 scales around caudal peduncle; 9-10 dorsal fin branched rays; pectoral fin with 1 spine and 14-16 soft rays; 3-6/14-17 gill rakers on first gill arch (Ref. 2940, 81282).
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
3.1 ±0.40 se; Based on food items.
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.26)
Moderate vulnerability (39 of 100)