Classification / Names
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ऐकटीनोप्टीरेजी (रेज़-फिन्नढ मछलियाँ) >
Acipenseriformes (Sturgeons and paddlefishes) >
Acipenseridae (Sturgeons) > Scaphirhynchinae
Etymology: Scaphirhynchus: Greek, skaphe, -eos = boat + Greek, rhyngchos = snout (Ref. 45335); albus: From the word albus, meaning white (Ref. 10294).
पर्यावरण / जलवायु / सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल ड़िमरसल; पोटामोड़िरोमस (Ref. 51243). Subtropical, preferred ?; 44°N - 30°N
North America: nearly restricted to main channels of Missouri River and lower Mississippi River from Montana to Louisiana in USA. International trade restricted (CITES II, since 1.4.98).
Length at first maturity / आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 200 cm TL पुल्लिंग / अलिंग; (Ref. 58490); common length : 81.7 cm TL पुल्लिंग / अलिंग; (Ref. 12193); अधिकतम प्रकाशित वज़न: 130.0 kg (Ref. 52332); अधिकतम सूचित उम्र: 41 वर्षो (Ref. 32514)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
Absence of scalelike scutes on belly; bases of outer barbels usually behind bases of inner barbels (Ref. 86798).
Adults inhabit large, deep, turbid river channels, usually in strong current over firm sand or gravel (Ref. 10294, 58490). They feed on aquatic insect immatures, particularly caddisfly larvae, and small fish (Ref. 10294). Threatened due to over harvesting and habitat loss (Ref. 58490). No length type given but assumed to be in TL.
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p. (Ref. 3814)
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
अधिक जानकारी
संदर्भजलीयकृषिजलीयकृषि रूपरेखाखींचआनुवंशिकीऐल्लि आवृतियाँहैरेटिबिलटीबीमारीप्रक्रमणMass conversion
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