Japanese sardine landings at Hokkaido's Kushiro Port have dropped to zero for approximately two months [1].

This collapse affects the primary economic driver of the region's fishing industry. Because the Japanese sardine accounts for more than 80% of all landings at Kushiro Port [2], the total absence of the species threatens local livelihoods and seafood supply chains.

The shortage began around June 16 and has persisted through Aug. 19 [1], [3]. The Hokkaido Trawl Fishery Association said the lack of catches has created an unprecedented situation where the port's main fish is completely missing [3].

The association said the crisis began early in the season. On the first day of the fishing season, a fleet from Tottori Prefecture searched for fish schools but found no response and returned to Honshu [4].

Industry officials are investigating environmental triggers for the sudden disappearance. The Hokkaido Trawl Fishery Association said they believe the cause may be related to a drop in seawater temperatures or changes in ocean currents [2].

Beyond immediate temperature shifts, some experts suggest the fish population may have peaked and is now in decline [2], [4]. The lack of landings has remained at zero tons throughout the two-month period [1].

Local fishers have expressed alarm over the stability of the resource. The association said that the zero-landing streak is an exceptional event [3].

Japanese sardine landings at Kushiro Port have dropped to zero for approximately two months.

The total disappearance of the Japanese sardine from Kushiro Port suggests a significant ecological shift in the waters off eastern Hokkaido. If the cause is a combination of temperature drops and a population peak-out, the region may face a long-term structural decline in its fishing economy rather than a temporary seasonal fluctuation.