分类 / Names
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Teleostei >
Osmeriformes (Freshwater smelts) >
Osmeridae (Smelts)
Etymology: Hypomesus: Greek, hypo = under + Greek,mesos = a half (Ref. 45335); nipponensis: From the Japanese name for the Kuril Island chain..
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水; 溯河洄游 (Ref. 51243). 溫帶
Asia: Japan to the Korean Peninsula (not confirmed by Ref. 33312). USA report adverse ecological impact after introduction.
亞洲: 日本到朝鮮半島.(不藉著參考文獻 33312再確認) 引入後的美國報告不利的生態衝擊。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 6.5, range 6 - 7 cm
Max length : 17.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723)
背棘 (总数) : 0; 背的软条 (总数) : 8 - 10; 臀棘: 0; 臀鳍软条: 12 - 19; 脊椎骨: 53 - 57. Vomer T-shaped with well-developed posterior process; periphery of glossohyal bone with single row of conical teeth, central part toothless; gill rakers 10(7-11) + 23(20-25) = 32(29-36); pyloric caeca 4(1-6); base of adipose fin less then 20% of head length; eye large; adipose eyelid absent.
犁骨 T-形状的有发展良好的在后部的突起; 上舌骨的外围有单列的锥形齿，中央的部份无齿的; 鳃耙 10(7-11)+23(20-25)=32;(29-36) 幽门的盲肠 4;(1-6) 脂鳍比较少量的基底然后 20% 的头长; 眼大的; 脂眼睑不存在。
Found in open water of impoundments and their tributaries, in fresh and brackish water. Primarily a brackish water species (Ref.33312). Anadromous (Ref. 37812).
在淡水与半咸淡的水中,发现于圈围水域与他们的支流的开放水域了。 主要地一个半淡咸水种.(参考文献 33312) 溯河洄游产卵.(参考文献 37812)
亞洲: 日本到朝鮮半島.(不藉著參考文獻 33312再確認) 引入後的美國報告不利的生態衝擊。
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)
人类利用
渔业: 商业性; 养殖: 商业性
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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=0.00389 (0.00223 - 0.00678), b=3.14 (2.98 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on diet studies.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (tm=1; Fec = 1,033; post-spawning mortality almost 100%).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
