The Japanese word for "Blueback Salmon" is benizake 紅鮭.
- A Sockeye Salmon is a Kokanee Trout that migrates to salt water.
Scientific name: Oncorhynchus nerka.
Beware: some kanji that are difficult to handwrite are easy to type on the computer, which may skew the usage statistics.
Wikipedia: Sockeye_salmon (ベニザケ)