What Is the Smallest Fish?

Less than one centimetre long from head to toe, Gobiid is the smallest fish in the world. It lives in the rivers and lakes of Nuzon Island in the Philippines. Gobiid has a transparent body and its internal organs can be seen clearly.

Gobiid has strong capability of reproduction, so there are a great number of them in the Philippines, and they serve as major food for local inhabitants. Gobiid can five for several months if you feed them with thin rice in fish bowls.

There are many kinds of gobiids, which can grow both in seawater and fresh water.