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Verwante soorten
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Hepsetus - Soort(en) in
Hepsetidae - - Classificatie -
- Hepsetidae
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Hepsetus odoe
Picture by Hippocampus-Bildarchiv
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Picture by Hippocampus-Bildarchiv
Nigeria country information
Common names:
Ijakere, Saganci, Usawu
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Widely distributed in Nigeria (Ref. 31256). Known from Ogun River (Ref. 2914), Oshun River (Ref. 81278, 88135), Niger River basin (Ref. 2914, 81278, 88135), including Benue River (Ref. 2914, 81278, 88135) and Lake Kainji (Ref. 3799, 13861), and Cross River (Ref. 2914, 52861, 81278, 88135).
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: Decru, E., E. Vreven and J. Snoeks, 2012
National Database:
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Widely distributed in Nigeria (Ref. 31256). Known from Ogun River (Ref. 2914), Oshun River (Ref. 81278, 88135), Niger River basin (Ref. 2914, 81278, 88135), including Benue River (Ref. 2914, 81278, 88135) and Lake Kainji (Ref. 3799, 13861), and Cross River (Ref. 2914, 52861, 81278, 88135).
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: Decru, E., E. Vreven and J. Snoeks, 2012
National Database:
Common names from other countries
Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa
> Characiformes (Characins) > Hepsetidae (African pikes)
Etymology: Hepsetus: Greek, epsetas, -e, -on = boiled, but there is the following sentence: "oí epsetoi" = certain fishes, and also could be related to "psetta" = grouper (Ref. 45335); odoe: The specific name is possibly derived from the Greek 'odon' which means tooth (Brown 1954) (Ref. 88135).
More on author: Bloch.
Etymology: Hepsetus: Greek, epsetas, -e, -on = boiled, but there is the following sentence: "oí epsetoi" = certain fishes, and also could be related to "psetta" = grouper (Ref. 45335); odoe: The specific name is possibly derived from the Greek 'odon' which means tooth (Brown 1954) (Ref. 88135).
More on author: Bloch.
Environment: milieu / climate zone / depth range / distribution range Ecologie
; zoet water demersaal; pH range: 6.0 - 7.5; dH range: ? - 18; potamodroom (Ref. 51243). Tropical; 26°C - 28°C (Ref. 2060)
Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri
Africa: easternmost part of West Africa, from the Sassandra River, Ivory Coast, in the west to the Shari River, Central African Republic, in the east; and southwards up to the Kribi River in Cameroon (Ref. 88135). Reports from outside this area refer to other species of Hepsetus (Ref. 88135, 93279, 93907, 108775).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 14.0 range ? - ? cm
Max length : 44.2 cm SL mannelijk / geslacht onbekend; (Ref. 83624)
Max length : 44.2 cm SL mannelijk / geslacht onbekend; (Ref. 83624)
Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 9; Anale stekels: 0; Anale zachte stralen: 12; Wervels: 45 - 49. Diagnosis: This species is distinguished from all other Hepsetus species by the following unique combination of characters: number of lateral line scales low, 43–51; nostril-lower jaw distance short, 36.6–42.1% of head length; number of gill rakers high, 17–23; number of scales between dorsal fin and lateral line 7.5-9.5; number of scales between adipose fin and lateral line 4.5-6.5; head width broad, 32.8–42.3% of head length; and internasal distance high, 21.9–28.3% of head length (Ref. 88135).
This species seems to prefer upper river courses or small rivers where Hydrocynus species are absent or scarce (Ref. 81278).
Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Builds a free-floating bubblenest.
Hoofdreferentie
Upload your references | Referenties | Coördinator | Medewerkers
Decru, E., E. Vreven and J. Snoeks, 2012. A revision of the West African Hepsetus (Characiformes: Hepsetidae) with a description of Hepsetus akawo sp. nov. and a redescription of Hepsetus odoe (Bloch, 1794). J. Nat. Hist. 46(1-2):1-23. (Ref. 88135)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Niet bedreigd (LC) ; Date assessed: 15 May 2019
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: visserij voor eigen gebruik; Aquarium: Commercieel
FAO(Aquaculture systems: productie; visserij: productie; publication : search) | FishSource |
Meer informatie
Population dynamics
Groeiparameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Lengtefrequenties
Massaconversie
Rekrutering
Abundantie
Groeiparameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Lengtefrequenties
Massaconversie
Rekrutering
Abundantie
Life cycle
Voortplanting
Maturiteit
Fecunditeit
Paaien
Spawning aggregations
Eieren
Ontwikkeling van de eieren
Larven
Larvale populatiedynamiek
Voortplanting
Maturiteit
Fecunditeit
Paaien
Spawning aggregations
Eieren
Ontwikkeling van de eieren
Larven
Larvale populatiedynamiek
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Brain
Otolith
Physiology
Body composition
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Zwemsnelheid
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Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Zuurstofverbruik
Zwemtype
Zwemsnelheid
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetica
Heterozygosity
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Erfelijkheid
Human related
Aquaculture systems
Aquacultuurprofielen
Kweeklijnen
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Aquacultuurprofielen
Kweeklijnen
Ciguatera cases
Stamps, coins, misc.
Tools
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Speciale rapporten
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Internetbronnen
Aquatic Commons | BHL | Cloffa | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes(Genus, Soort(en)) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoom, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(ga naar, zoek) | World Records Freshwater Fishing | Zoological Record
Estimates based on models
Fylogenetische diversiteitsindex (Ref. 82804): PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00412 - 0.00732), b=3.13 (3.05 - 3.21), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trofisch niveau (Ref. 69278): 4.1 ±0.71 se; based on food items.
Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.27-0.59; tmax=5; Fec < 10,000).
Fishing Vulnerability (Ref. 59153): Moderate vulnerability (36 of 100).