岩目大麻哈鱼，为麻哈鱼属的一个种，为温带淡水鱼，分布亚洲日本淡水流域，栖息在底中层水域，生活习性不明。
参考文献
- Froese, R. & Pauly, D. (eds.) (2015). Oncorhynchus iwame. FishBase. Version 2015-10.
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