Sushi Without Wasabi? Climate Change Reduces Japanese Farms’ Output

Specific Conditions Such as Amount of Shade, Temperature, and Soil Minerals Must Be Met for These Plants to Thrive. They Need a Constant Supply of Running Spring Water and Can Only Tolerate Temperatures Between Eight Degrees and 20 Degrees Celsius.

Unagi, or Freshwater Japanese Eel, Can Cost More Than Bluefin Tuna. It Has Been a Delicacy for Thousands of Year's, but Overfishing Has Led to a Decline in Eel Populations, Contributing to High Prices.

The Careful Preparation Process and Overfishing Are Causing It to Become More Expensive.

Sweet Mangoes, Known as Taiyo No Tamago [Egg of the Sun], Are Farmed in Miyazaki Prefecture. Market Auctions Sell These Mangoes for as Much as Us$4,000 for a Pair.

The Grapes Are Cultivated in Greenhouses, So Farmers Can Have Better Control of Their Growth. They’re Monitored to Ensure Each Grape in the Bunch Is Identical.

Sea Urchin, or Uni, Is Prized in Several Parts of the World for Its Flavour. the Spiky Shells of Sea Urchins Are Cracked Open for the Gonads, Which Are the Sex Organs That Produce Roe.

Japanese Melons Are Largely Grown in Central Japan, and Can Cost over Us$200. in 2019, Two Melons from Hokkaido in Northern Japan Sold for Just over Us$45,000 at Auction.

8. Matsutake Mushrooms

Matsutake Mushrooms Are Harvested Once a Year in Japan. If the Harvest Is Low, They Can Cost up to Us$500 per Kilogram.

‘Can Cost More Than Bluefin Tuna’: How Japan’s Most Expensive Foods – from Wasabi to Pufferfish to Mangoes – Are Produced

By David Miller

• Oct 8, 2026 • 4 min read

‘Can Cost More Than Bluefin Tuna’: How Japan’s Most Expensive Foods – from Wasabi to Pufferfish to Mangoes – Are Produced

Direct Answer • Key Takeaway

The Only Place It Can Be Found Growing Naturally Is Along Japanese Mountain Streams.

David Miller

Executive Financial & Market Analyst

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.

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