Broken Records

Heaviest organism

The current heaviest organism record is 7,496 tons, held by Armillaria ostoyae (the Humongous Fungus). Last checked October 14, 2026.

7,496

tons

Armillaria ostoyae (the Humongous Fungus)

Holder
Armillaria ostoyae (the Humongous Fungus)
Record
7,496 tons
Metric
6,800 tonnes
Exact figure
Estimated 6,800 to 31,750 tonnes
Last checked
October 14, 2026

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