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Actinopterygii
辐鳍鱼纲 (条鳍鱼) >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Salmoninae
Etymology: Oncorhynchus: Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335). More on author: Jordan.
环境 / 气候 / 范围
生态学
; 淡水 底中水层性; 深度上下限 38 - 180 m (Ref. 87053), usually 90 - ? m (Ref. 87053). 4°C - 13°C (Ref. 87053), preferred ?
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Asia: endemic to Lake Tazawa in Akita Prefecture, Japan. Believed to have become extinct since 1940. Recently discovered in 2010 from Lake Saiko, Yamanashi Prefecture, one of the lakes where eyed eggs of this species were introduced in 1935.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 23.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 87053)
简单描述
型态特徵 | 形态测量图
Presence of 47-62 pyloric caeca and 37-43 gill rakes (Ref. 87053).
Probably feeds on mesopelagic or benthopelagic zooplankton (Ref. 87053)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Nakabo, T., K. Nakayama, N. Muto and M. Miyazawa, 2011. Oncorhynchus kawamurae "Kunimasu," a deepwater trout, discovered in Lake Saiko, 70 years after extinction in the original habitat, Lake Tazawa, Japan. Ichthyol. Res. 58(2):180-183. (Ref. 87053)
CITES (Ref. 94142)
Not Evaluated
人类利用
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参考文献养殖养殖信息品种遗传学基因序列遗传率疾病加工Mass conversion
合作者照片Stamps, Coins声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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