Paedocypris progenetica is a species of cyprinid fish endemic to Indonesia where it is found in peat swamps and blackwater streams. It is the smallest known fish in the world with females reaching a maximum size of 10.3 mm, males 9.8 mm and the smallest known mature specimen, a female, measured only 7.9 mm. It held the record for the smallest known vertebrate until the frog Paedophryne amauensis was formally described in January 2012.
- Busson, Frédéric; Froese, Rainer (15 November 2011). "Paedocypris progenetica". FishBase. http://www.fishbase.org/summary/Paedocypris-progenetica.html. Retrieved 13 January 2012.
- "World's tiniest frogs found in Papua New Guinea". The Australian. 12 January 2012. http://www.theaustralian.com.au/news/breaking-news/worlds-tiniest-frogs-found-in-papua-new-guinea/story-fn3dxity-1226242332383. Retrieved 11 January 2012.
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