Broken Records

Largest jellyfish

The current largest jellyfish record is 120 ft, held by Arctic giant jellyfish (lion's mane jellyfish, Cyanea capillata arctica), set on January 1, 1870. Last checked October 14, 2026.

120

ft

Arctic giant jellyfish (lion's mane jellyfish, Cyanea capillata arctica)

Massachusetts Bay, United States, 1870

Holder
Arctic giant jellyfish (lion's mane jellyfish, Cyanea capillata arctica)
Record
120 ft
Metric
36.5 m
Exact figure
36.5 m (120 ft) total length; 2.28 m bell diameter
Location
Massachusetts Bay, United States
Date set
January 1, 1870
Recognized by
Guinness World Records
Last checked
October 14, 2026

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