The world's smallest fish species, Paedocypris progenetica, is an extraordinary little creature found in the peat swamp forests of Indonesia. With a maximum length of just 7.9 mm (0.31 inches), it is not only the tiniest fish but also one of the smallest vertebrates on the planet. This almost invisible fish, with its translucent body, thrives in highly acidic waters that are as low as... https://fishingproo.com/worlds-smallest-fish-species/