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: Alexei Pavlovich Fedtschenko (or Fedchenko) (1844–1873), a graduate in zoology and geology from Moscow University, was a naturalist and explorer of Central Asia. [...] (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
Asia: Endemic to Syr Darya basin of the Aral Sea (Ref. 35924). Considered endangered or extinct by authors (Ref. 6866).
前蘇聯: 鹹海錫爾河流域的特有種.(參考文獻 35924) 被認為是瀕臨絕種或滅絕的由命名者.(參考文獻 6866) 國際間的買賣限制 ( 引用2, 自從 1.4.98 以後; 公分 附錄 2).
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 65.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 52333)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
前蘇聯: 鹹海錫爾河流域的特有種.(參考文獻 35924) 被認為是瀕臨絕種或滅絕的由命名者.(參考文獻 6866) 國際間的買賣限制 ( 引用2, 自從 1.4.98 以後; 公分 附錄 2).
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 2024-1)
極危 (CR) (A2bc); Date assessed: 14 September 2019
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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): 3.3 ±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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).