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Osmeriformes (Freshwater smelts) >
Osmeridae (Smelts)
Etymology: Hypomesus: Greek, hypo = under + Greek,mesos = a half (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين; لب شور سطح زی; رود کوچ (Ref. 51243). Temperate; 73°N - 38°N (Ref. 26213)
North America: Sacramento-San Joaquin Delta region in central California, USA.
Length at first maturity / Size / Weight / سن
Maturity: Lm ?, range 6 - ? cm
Max length : 12.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 5723); common length : 6.3 cm TL جنس نر / بدون خواص جنسي; (Ref. 12193); بيشينه سن گزارش شده: 1.00 سال ها (Ref. 12193)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 9 - 11; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 16 - 20; مهره ها: 52 - 57. Vomer without posterior process; periphery of glossohyal bone with single row of conical teeth, central part toothless; pyloric caeca 4(2-5); base of adipose fin more than 20% of head length; eye large; adipose eyelid poorly developed.
Adults occur in open brackish and freshwater of large channels. Diet consists of zooplankton (Ref. 33312).
Eggs are demersal (Ref. 33312).
Saruwatari, T., J.A. López and T.W. Pietsch, 1997. A revision of the ormerid genus Hypomesus Gill (Teleostei: Salmoniformes), with a description of a new species from the southern Kuril Islands. Species Diversity 2:59-82. (Ref. 33312)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00182 - 0.00758), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.1 se; based on diet studies.
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (tm=1; tmax=1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).