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Brycinus intermedius (Boulenger, 1903)

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drawing shows typical species in Alestidae.

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

Teleostei (teleosts) > Characiformes (Characins) > Alestidae (African tetras)
Etymology: Brycinus: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335).
More on author: Boulenger.

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

Freshwater; pelagic; pH range: 6.5 - 7.5; dH range: ? - 20. Tropical; 22°C - 28°C (Ref. 12468)

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

Africa: known from the upper course of the River Cross (Ref. 80290, 81279), the Kribi River in Cameroon, and the Ogowe and Nyanga basins in Gabon (Ref. 80290).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm SL male/unsexed; (Ref. 2880)

Short description Identification keys | Morphology | Morphometrics

Anal spines: 0; Anal soft rays: 22 - 24. Diagnosis: 31-35 (Ref. 80290) or 33-35 (Ref. 2880, 81279) lateral line scales. Fronto-parietal fontanel narrow, but always present, even in adults; 6.5 scales between lateral line and dorsal fin; 19-21 anal fin branched rays; 12-15 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row; no humeral spot (Ref. 2880, 80290, 81279). Head length/snout length 3.4-4.0; 11-11.5 predorsal scales (Ref. 80290).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Paugy, D., 1990. Characidae. p. 195-236. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 06 May 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet compositions
Food consumptions
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Predators
Ecology
Ecology
Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Maturities
Fecundities
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Egg(s)
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Distribution
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Anatomy
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Visual pigment(s)
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Genetics
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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

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=0.01230 (0.00541 - 0.02797), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).