The Tokyo central market has seen a significant drop in the wholesale price of frozen bluefin tuna, with a 40% decrease in the retail price of chu-toro sashimi imported from Malta. This suggests a sharp decline in consumption of these products, with the average import price in January being 50% less than the previous year. The decrease in demand for large cuts of tuna sashimi in Asian markets, including Japan, South Korea, and China, coupled with an increase in domestic tuna farming, are believed to be the main factors behind this price drop.