Young Japanese eels, which have traditionally been caught at river mouths in the winter and then raised for human consumption, have been reaching the coast around May and June in recent years, possibly because of environmental changes, a research group said Monday.
The group led by Jun Aoyama, an associate professor at the University of Tokyo's Atmosphere and Ocean Research Institute, found the delay in the peak season for netting the eels, which have been in rapid decline, during a 2009-2011 survey at the Sagami River in Kanagawa Prefecture.
(Japan Times)
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