Brycinus macrolepidotus   Valenciennes, 1850

True big-scale tetra
Catalog of Fishes (gen., sp.) | ITIS | CoL
Classification
Actinopterygii | Characiformes | Alestidae
Synonyms
Common names
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Main reference
Size / Weight / Age
Max length : 53.0 cm SL male/unsexed; (Ref. 2880); max. published weight: 2,000 g (Ref. 3799)
Environment
Pelagic; potamodromous (Ref. 51243); freshwater; brackish
Climate / Range
Tropical; 22°C - 28°C (Ref. 12468)
Distribution
Africa: Inter-tropical but absent in the Gambia basin. Senegal, Niger, Chad, Volta and basins from Sierra Leone to Cameroon; Sudan border, upper Nile, Albert Nile and Murchison Nile, Lake Albert, Victoria, Omo and Lake Turkana, Congo basin (Ref. 5331).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Anal spines: 3; Anal soft rays: 10 - 16. No fontanel even in young. Supra-orbital bone well developed. Upper jaw in adults longer than lower. Humeral and pre-caudal spots black. Greenish back, white belly. Sometimes with orange lateral stripe from opercle to caudal fin in adults only. Most fish have red-orange to pink fins. Only those from Cavally River have bright red fins. Juveniles with white spot on upper part of caudal peduncle. Gill rakers on first ceratobranch.
Biology
    Glossary (e.g. epibenthic)
More common in rivers than lakes. Feeds on insects, crustaceans, fish, vegetation and debris (Ref. 28714).
IUCN Red List Status (Ref. 57073)
Threat to humans
  Harmless
Human uses
Fisheries: commercial
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Estimation of some characteristics with mathematical models
Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
Moderate vulnerability (43 of 100)

Entered by Cruz, Tess
Modified by Sa-a, Pascualita



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Page last modified by : elaxamana, 15 July 2009

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