White flesh

A photo of Biwa trout nigiri
Biwa trout (Biwamasu)

Biwa trout (Biwamasu)

【Nigiri sushi: Shiromi
On June 21, 2025, an international academic journal published a new scientific name, “Oncorhynchus biwaensis,” for Biwa trout (salmon) species, which is endemic to Lake Biwa.

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