Hepsetus odoe : fisheries, aquarium

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Hepsetus odoe (Bloch, 1794)

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

Teleostei (teleosts) > 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 refers to the local names in the Adangme language of Hepsetus specimens in Ghana: 'Akawo nyagbe', which means 'dog-like teeth' and 'akawo' which means 'attacker' or 'predator' (Ref. 88135).
More on author: Bloch.

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

Freshwater; demersal; pH range: 6.0 - 7.5; dH range: ? - 18; potamodromous (Ref. 51243). Tropical; 26°C - 28°C (Ref. 2060)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | 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).

Length at first maturity / Size / Weight / Age

Maturity: Lm 14.0  range ? - ? cm
Max length : 44.2 cm SL male/unsexed; (Ref. 83624)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 12; Vertebrae: 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).

Biology     Glossary (e.g. epibenthic)

This species seems to prefer upper river courses or small rivers where Hydrocynus species are absent or scarce (Ref. 81278).

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

Builds a free-floating bubblenest.

Main reference Upload your references | References | Coordinator | Collaborators

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)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 15 May 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: subsistence fisheries; aquarium: commercial
FAO - Aquaculture: production; Fisheries: landings; Publication: search | FishSource |

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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 - Aquaculture: production; Fisheries: landings; 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 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00411 - 0.00735), b=3.13 (3.05 - 3.21), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  4.1   ±0.71 se; based on food items.
Generation time: 0.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.27-0.59; tmax=5; Fec < 10,000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (21 of 100).
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 164 [63, 392] mg/100g; Iron = 2.04 [1.02, 4.59] mg/100g; Protein = 18.9 [16.8, 21.2] %; Omega3 = 0.362 [0.132, 0.962] g/100g; Selenium = 120 [47, 340] μg/100g; VitaminA = 14.6 [5.4, 40.0] μg/100g; Zinc = 1.47 [0.99, 2.21] mg/100g (wet weight);