Warmer ocean temperatures around Hokkaido have led to a sharp decline in autumn salmon populations, significantly tightening supply and pushing prices for the fish and its roe to record highs. https://www.japantimes.co.jp/news/2025/10/20/japan/hokkaido-autumn-salmon/?utm_medium=Social&utm_source=mastodon #japan #hokkaido #fish #food #supermarkets