分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Pangasiidae (Shark catfishes)
鯰科 (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 底中水層性; 河川洄游 (Ref. 51243). 熱帶
Asia.
亞洲。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 120 cm SL 雄魚/尚未辨別雌雄; (Ref. 30857); 最大體重: 14.0 kg (Ref. 9497)
背棘 (總數): 1; 背的軟條 (總數): 6-7; 臀棘 4; 臀鰭軟條: 31 - 34. Body depth 4.5-5.0 times in SL (Ref. 43281). Dorsum sky blue; submarginal caudal-fin stripes absent; no humeral spot; vomerine teeth separate at midline, joined to palatine teeth on each side forming long crescentic patches; 18-22 gill rakers in first arch (Ref. 12693). Body dark blackish gray on top and sides, silver gray on abdomen and fins lightly yellow (Ref. 45563).
體高 4.5-5.0 標準體長比率.(參考文獻 43281) 背面天藍色; 靠近邊緣的尾鰭斑紋不存在; 沒有肩部的斑點; 在中線的犛骨齒分開, 在形成長的新月形的區塊的兩邊上連到了顎齒; 在第一鰓弓中的 18-22個鰓耙.(參考文獻 12693) 在頂端與側邊上的身體深色的黑色灰色, 銀灰色在腹部與鰭上輕輕的黃色.(參考文獻 45563)
Facultative air-breathing (Ref. 126274); Migrating but the direction is unknown. Dietary habits have not been studied. Taxonomy of this species may be problematic (Ref. 12693). Unique among pangasiid species in the Mekong in spending a major part of its life in marine coastal waters. Migrates into the Mekong River (but not into any other rivers) in order to breed (Ref. 12369). Regarded to be anadromous (Ref. 12369). It was hypothesized that at least two populations in the Mekong undertake migration (Ref. 37770). One population migrates during May-September from just south of Khone Falls upstream to spawning grounds along the mainstream Mekong all the way to Chiang Khong near the Lao-Thai-Myanmar border. The other population migrates downstream from around Stung Treng to unknown spawning grounds somewhere between Stung Treng and Kompong Cham in Cambodia during the spawning season between May and August. When water level starts to fall in October, the fish moves back to the main river to initiate an upstream dispersal migration, reaching the stretch just below the Khone Falls. Stays in deep pools within the mainstream during the dry season (Ref. 37770). Only two specimens of the fish were collected on April 5, 1956 and September 10, 1957 in Beihai City, Guangxi (Ref. 45563). Another on November 22, 1963 at Shanwei City of Guangdong Province (Ref. 45563).
迴游，但是方向是未知的。 飲食的習慣沒有被研究。 這種的分類學可能是麻煩的.(參考文獻 12693) 獨特的在 pangasiid 種之中在湄公河中在海洋的沿岸水域中度過主要生活期方面。 游進湄公河 (但是不進入任何其他的河之內) 為了繁殖內.(參考文獻 12369) 被視為是溯河洄游產卵。 (參考文獻 12369) 一般假定至少在湄公河的二個族群進行遷移.(參考文獻 37770) 一個族群在五月-九月期間移動從正好向南方 Khone 瀑布溯河到產卵場沿著在 Lao-泰語-緬甸的邊緣附近的主流湄公河一路到清孔縣。 另一個族群移動下游從 Stung Treng 的周圍對未知的產卵場某處在柬埔寨在 Stung Treng 與 Kompong 韃靼之間在產卵季節的時候在五月與八月之間。 當水位開始在十月落下的時候，魚游回主要的河開始被在 Khone 瀑布正下方達成伸展的向上游的散佈遷移。 在乾季的時候停留在主流裡面的深水池中。 (參考文獻 37770) 魚的只有二件標本 1956 年四月 5 日被收集與九月 10 日,1957 在廣西北海市.(參考文獻 45563) 十一月 22 日另一個在上,1963 在廣東省的汕尾市.(參考文獻 45563)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲。
Roberts, T.R. and C. Vidthayanon, 1991. Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144. (Ref. 7432)
人類使用
漁業: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00217 - 0.00962), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (88 of 100).
Nutrients (Ref.
124155): Calcium = 21.4 [8.8, 59.4] mg/100g; Iron = 0.416 [0.152, 1.286] mg/100g; Protein = 14.6 [13.0, 16.4] %; Omega3 = 0.119 [0.059, 0.245] g/100g; Selenium = 93.9 [40.2, 228.6] μg/100g; VitaminA = 13.1 [2.6, 67.8] μg/100g; Zinc = 2.72 [0.96, 5.04] mg/100g (wet weight);
