分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Salmoniformes (Salmons)
鮭形目 (Salmons) >
Salmonidae (Salmonids)
鮭科 (Salmonids) > Salmoninae
Etymology: Oncorhynchus: Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶; 34°N - 33°N
North America: Upper Salt River and Little Colorado River systems (Colorado River drainage) in Arizona, USA.
北美洲: 在美國亞歷桑那州的含鹽河上游與小科羅拉多河流域 (科羅拉多河流域)。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 58.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 40637); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大體重: 2.4 kg (Ref. 40637)
Inhabits clear, cool mountain headwaters and creeks (generally above 2500 m elevation), and mountain lakes. A 95% (stream km) reduction in range has resulted due to hybridization with Oncorhynchus mykiss and competition from Salvelinus fontinalis and Salmo trutta.
棲息於清澈寒冷的山河源上游與小溪 (通常在上面 2500 公尺海拔), 與高山湖泊中。 95%(水流公里) 分佈範圍的縮減用來自 美洲紅點鮭〔溪紅點鮭〕〔Salvelinus fontinalis〕 與 斑鱒屬 trutta 的 Oncorhynchus mykiss 與競爭起因於雜交.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Reproductive strategy: synchronous ovarian organization, determinate fecundity (Ref. 51846).北美洲: 在美國亞歷桑那州的含鹽河上游與小科羅拉多河流域 (科羅拉多河流域)。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN 瀕危狀態 (Ref. 130435)
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