Unaju, an eel served over rice in a lacquered box, is priced at 5,250 yen ($34), more than double what the dish might have cost 15 years ago, Takashino said.
Nearly all eels consumed in Japan come from aquaculture, which relies entirely on the capture or import of glass eels because they do not reproduce in captivity.
Eels faces global conservation pressure
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Sounds like a mistake.