分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Chondrostei >
Acipenseriformes (Sturgeons and paddlefishes)
鱘形目 (Sturgeons and paddlefishes) >
Acipenseridae (Sturgeons)
鱘科 (Sturgeons) > Acipenserinae
Etymology: Pseudoscaphirhynchus: Greek, pseudes = false + Greek, skaphe = boat + Greek, rhyngchos = snout (Ref. 45335).
Eponymy: Kessler does not provide any name other than ‘Hermann’. [...] (Ref. 128868), visit book page.
Issue
Species of the genus Pseudoscaphirhynchus belong to the subfamily Acipenserinae, and not Scaphirhynchinae as it was previously considered (V. Birstein, pers. comm. 03/05 ).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 居於水底的; 河川洄游 (Ref. 51243). 溫帶
Former USSR and Asia: Endemic to the basin of Amu Dariya and Sir Dariya rivers. Registered in the 1984 USSR Red Book; 1985 Turkmen SSR Red Data Book; 1996 IUCN Red List (Ref. 35930).
前蘇聯與亞洲: Amu Dariya 河與 Sir Dariya 河的流域的特有種.(參考文獻 35930) 被認為是瀕臨絕種或滅絕的由命名者.(參考文獻 6866) 在國際間的買賣中登記了限制 ( 引用2, 自從 1.4.98 以後; 公分 附錄 2); 1984 蘇聯紅皮書; 1985 土庫曼 SSR 保育紅皮書; 1996 IUCN 警戒名單; 並且,1997< b>引用 目錄.(參考文獻 35930)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 27.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 35930); 最大體重: 50.50 g (Ref. 35930); 最大年齡: 6 年 (Ref. 35930)
A rare and endangered species; smallest sturgeon; sensitive to chemicals in the water Ref. 35930).
一稀有的與瀕臨絕種的物種; 小的鱘魚; 對水中化學物質參考文獻 35930 敏感).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
前蘇聯與亞洲: Amu Dariya 河與 Sir Dariya 河的流域的特有種.(參考文獻 35930) 被認為是瀕臨絕種或滅絕的由命名者.(參考文獻 6866) 在國際間的買賣中登記了限制 ( 引用2, 自從 1.4.98 以後; 公分 附錄 2); 1984 蘇聯紅皮書; 1985 土庫曼 SSR 保育紅皮書; 1996 IUCN 警戒名單; 並且,1997< b>引用 目錄.(參考文獻 35930)
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
極危 (CR) (A2c); Date assessed: 14 September 2019
人類使用
漁業: 沒有興趣
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00138 - 0.00693), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
