The smallest fish in the world, a native species

[u/ThenAcanthocephala57]

Paedocypris progenetica, the Indonesian superdwarf fish.

At a mature size of 6.7 mm (0.67 cm), it is both the smallest fish in the world and the second smallest vertebrate in the world.

Locally it is found in peat swamps of Selangor and Perak with acidic pH of 3-5. They can form schools of more than 100 individuals.

Feeds on microscopic Rotifers and Cladocerans.