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Episode · 15 September 2026

Olm: The Blind Cave Salamander That Lives 100 Years, Fasts for Years and Barely Moves

A blind cave salamander from the karst caves of Slovenia that keeps its gills for life. One was found in the same spot 2,569 days later.

The footnote on the shirt

¹ One olm was found in the same spot 2,569 days later, just over seven years.

Balázs, Lewarne & Herczeg, Journal of Zoology, 2020

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