The World’s Smallest Frog

A U.S. penny is 19 mm across. Various websites claim the Southern Hemisphere’s smallest frog is about 9.8 millimeters, Brazilian Gold Frog (Brachycephalus didactylus). This frog beats the Brazilian Gold Frog by about 5 mm – this frog is only approximately 5 mm.   The (previously????) smallest frogs of the Northern Hemisphere is the Cuban Eleutherodactylus iberia, which can be two-tenths of a millimeter smaller, and Eleutherodactylus limbatus, of which fully mature adults as small as 8.5 mm have been found.

Alas, it seems this frog beats those by half.  I’ll post some more pictures and video eventually, but it is here in Florida in the United States and is much smaller.  A record?  I don’t know.  (Found by Lexi Riley, Maddie Johnston and me).


3 thoughts on “The World’s Smallest Frog”

  1. I’m quite curious about this frog. My son found one in Florida that looks just like it. I can’t find anything about it anywhere other than your site. Have you identified it?

  2. The strange thing is, I haven’t been able to ID it either. We see them fairly often in the marshy areas around here, but no one seems to know what it is.

  3. When we lived in Tampa, there were frogs this small around our pool all the time, tons of them. They almost looked like fleas they were so small. We had small pea size river rock around the pool, and they would live in the cracks between the pea size rocks.

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