Paedophryne amanuensis, a frog discovered in Papua New Guinea in 2012, has an average adult body length of just 7.7 mm — the smallest known vertebrate animal, smaller than many insects, small enough to sit comfortably on a human fingernail.
The question, scope, and sources behind this Registry record.
Paedophryne amanuensis, a frog discovered in Papua New Guinea in 2012, has an average adult body length of just 7.7 mm — the smallest known vertebrate animal, smaller than many insects, small enough to sit comfortably on a human fingernail.
The smallest confirmed adult body length of any vertebrate animal species.
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1 accepted Claim, with 1 linked evidence records.
Permanent ID limitsregistry.com/limits/LR-SMALLEST-VERTEBRATE-FROG
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Limits Registry. LR-SMALLEST-VERTEBRATE-FROG. Smallest vertebrate. 2026.