The article highlights the significance of mullet roe, a traditional dish consumed during Taiwan's Lunar New Year, and the factors contributing to its increasing cost. The rise in price is primarily due to warmer winter temperatures, which have negatively affected roe production and quality in mullet fish. Additionally, overfishing has reduced the number of mature mullets, further limiting the supply of roe. The article emphasizes the cultural importance of the dish and emphasizes the need for environmental sustainability to ensure its availability for future generations.