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Hepsetus odoe (Bloch, 1794)

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Hepsetus odoe
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Cameroon country information

Common names: African pike, Dog fish
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Benue River (Ref. 81278, 88135), Cross River (Ref. 81637, 88135), Wouri River (Ref. 2914, 81637, 88135), Sanaga River (Ref. 2914, 81637, 88135), Nyong River (Ref. 2914, 81637) and Kribi River (Ref. 81637, 88135). Reports from south of the Kribi River (Ref. 2914, 81637) and the Congo River basin (Ref. 51193) refer to Hepsetus lineata (Ref. 93279). It is known to live sympatric with Hepsetus lineata in the Sanaga River (Ref. 93279).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cm.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

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Characiformes (Characins) 脂鯉目 (Characins) > Hepsetidae (African pikes) 擬狗脂鯉科 (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 生態學

; 淡水 居於水底的; pH range: 6.0 - 7.5; dH range: ? - 18; 河川洄游 (Ref. 51243).   熱帶; 26°C - 28°C (Ref. 2060)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | 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).
非洲: 塞內加爾到安哥拉包括尼日,查德的佛塔河,奧克維河,剛果與尚比西河上游河廣泛分佈從; 以及在庫內內河,奧塔萬戈河與 Kafue 系統。 廣泛分佈於中央的與非洲西方部。 不存在於尼羅河; 尚比亞剛果與五大湖.(參考文獻 7248)

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 14.0  range ? - ? cm
Max length : 44.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 83624)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 0; 背的軟條 (總數) : 9; 臀棘: 0; 臀鰭軟條: 12; 脊椎骨: 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).
附屬的外翼骨。 在 supraoperculum 上的知覺管。 鼻骨接近彼此。 在下頜上的三角形的關於皮膚的摺層與小的而且圓的上面之上。 體高 4.5-5.8 x SL。 頭部 3-3.7 x SL。 眼直徑 6-8個 x 頭長。 骨骼的公式 8-10/51-58/7-9,4. 區域眼睛上方紅色-橘色的標誌。 在眼後面的放射淡色與深色的條紋。 黑色的脂鰭。 粉紅色到淺灰色的鰭。 成魚在偶鰭上可能有黑色的斑點。

生物學特性     字彙 (例如 epibenthic)

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

出現於大多數的沿海河川,湖與沼澤。 (參考文獻 3569) 偏愛安靜,深水域, 像大洪泛區的峽道與潟湖。 稚魚與魚苗居住於植物生長良好的邊緣棲息地。 成魚吃魚, 稚魚吃小型無脊椎動物與魚。 多次產卵的魚; 在夏天數個月以來繁殖。 相當生命期短又唯一的 4-5 年.(參考文獻 7248) 也用拖網捕獲。

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Builds a free-floating bubblenest.非洲: 塞內加爾到安哥拉包括尼日,查德的佛塔河,奧克維河,剛果與尚比西河上游河廣泛分佈從; 以及在庫內內河,奧塔萬戈河與 Kafue 系統。 廣泛分佈於中央的與非洲西方部。 不存在於尼羅河; 尚比亞剛果與五大湖.(參考文獻 7248)

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 15 May 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 自給性漁業; 水族館: 商業性
FAO(Aquaculture systems: 產生; 漁業: 產生; publication : search) | FishSource |

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Trophic ecology
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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).
營養階層 (Ref. 69278):  4.1   ±0.71 se; based on food items.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.27-0.59; tmax=5; Fec < 10,000).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100).
價格種類 (Ref. 80766):   Unknown.