This website uses cookies to enhance your browsing experience and ensure the functionality of our site. For more detailed information about the types of cookies we use and how we protect your privacy, please visit our Privacy Information page.
×
Cookie Settings
This website uses different types of cookies to enhance your experience. Please select your preferences below:
分類 / 名稱 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)
Etymology: Pseudoscaphirhynchus:Greek, pseudes = false + Greek, skaphe = boat + Greek, rhyngchos = snout (Ref. 45335). Eponymy: Lieutenant-General Konstantin Petrovich von Kaufmann (1818–1882) was trained as a military engineer and served in the Caucasus (1838). [...] (Ref. 128868), visit book page.
Taxonomic Remarks Species of the genus Pseudoscaphirhynchus belong to the subfamily Acipenserinae, and not Scaphirhynchinae as it was previously considered (V. Birstein, pers. comm. 03/05 ).
Asia: Former USSR: Amu Darya River from the Pyandzh to the mouths and lower tributaries. Sometimes in the brackish water of Taldyk Bay, the delta of the Amu Darya in the Aral Sea. Considered close to extinction (Ref. 6866). Registered in the 1984 USSR Red Book; 1985 Turkmen SSR Red Data Book; 1996 IUCN Red List (Ref. 35930). 亞洲: 前蘇聯: 到河口及下游支流的阿姆河從皮延玆河。 有時在 Taldyk 海灣的半淡鹹水, 在鹹海中的阿姆三角洲。 被認為接近滅絕.(參考文獻 6866) 國際間的買賣限制 ( CITES2, 自從 1.4.98 以後; CMS 附錄 2). 在 1984 蘇聯紅皮書中登記了; 1985 土庫曼 SSR 保育紅皮書; 1996 IUCN 警戒名單; d 1997< b>CITES 列出.(參考文獻 35930)
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm45.0 range ? - ? cm Max length : 75.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 593); 最大體重: 2.0 kg (Ref. 593); 最大年齡: 12 年 (Ref. 35919)
Its natural habitat and population have declined due to the breakage of the hydrological regime of the Amu Dariya River. Usual weight not more than 600-700 grams. Females with mature hard roe, very rare. Apparently sensitive to oxygen content in the water, changes in its chemical content, and to pollution. Fishing is prohibited (Ref. 35930). Spawns at 16° C (Ref. 719).
Berg, L.S., 1962. Freshwater fishes of the U.S.S.R. and adjacent countries. volume 1, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1948). (Ref. 593)
