Belodontichthys truncatus : gamefish

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Belodontichthys truncatus Kottelat & Ng, 1999

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

Teleostei > Siluriformes (Catfishes) 鯰形目 (Catfishes) > Siluridae (Sheatfishes) 鯰科 (Sheatfishes)
Etymology: Belodontichthys: Greek, belos, -eos = any projectile + Greek, odous = teeth + Greek, ichthys = fish (Ref. 45335);  truncatus: Specific name from the Latin truncatus (truncated), in reference to the relatively short head of this species..
More on authors: Kottelat & Ng.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的. 熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: Chao Phraya and Mekong River drainages in Thailand, Laos, Cambodia and Viet Nam. Previously misidentified as Belodontichthys dinema from the Mekong River basin.
亞洲: 湄南河與在泰國,寮國,柬埔寨與越南的湄公河流域。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 43281)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 3-4; 臀鰭軟條: 79 - 96. Differs from its sole congener, B. dinema, in having a shorter pectoral fin, 21.9-25.8% SL, versus 25.9-28.9; a shorter head, 20.9-23.9% SL, versus 24.2-26.0; and a shorter snout, 35.4-39.6% HL, versus 39.0-43.1 (Ref. 38432). Strongly compressed head and body; upturned mouth with conspicuous large teeth; pectoral fin longer than head (Ref. 43281).
有別於它的唯一同類, B. dinema, 在有一個方面較短的胸鰭, 21.9-25.8% SL, 對 25.9-28.9; 一個較短的頭部, 20.9-23.9% SL, 對 24.2-26.0; 而且一個較短的吻, 35.4-39.6% HL, 對 39.0-43.1.(參考文獻 38432) 非常扁長形的頭部與身體; 朝上的嘴部具有顯著的大齒; 胸鰭長度超過頭部.(參考文獻 43281)

生物學特性     字彙 (例如 epibenthic)

Occurs in medium to large-sized rivers (Ref. 12975). Found from middle depths to the surface in deeper parts of large rivers. Feeds on smaller fish near the water surface. An excellent game fish which can be caught using hook and line. Presently large numbers are being taken near Stung Treng in Cambodia by explosives (Ref. 12693). Migrates upstream through the Khone Falls in June-July with other silurids and enters the flooded forest in July-October, where it feeds heavily on cyprinids of the genus Henicorhynchus (pa soi, identified as Cirrhinus spp.) (Ref. 38432). Marketed fresh or dried and salted (Ref. 12693).

以其他的鯰魚溯河迴游在六月到七月的經過 Khone 瀑布而且進入在七月-十月被水淹沒的森林, 在那裡它吃經常捕食本屬 Henicorhynchus 的鯉魚 (pa soi,鑑定為 Cirrhinus spp了.)。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

亞洲: 湄南河與在泰國,寮國,柬埔寨與越南的湄公河流域。

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

Kottelat, M. and H.H. Ng, 1999. Belodontichthys truncatus, a new species of silurid catfish from Indochina ( Teleostei: Siluridae). Ichthyol. Explor. Freshwat. 10(4):387-391. (Ref. 38432)

IUCN 瀕危狀態 (Ref. 126983)

  無危 (LC) ; Date assessed: 10 February 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

游釣魚種: 是的
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00278 - 0.01137), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.1   ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).