Baby perch swimming in Ireland, video

This 30 March 2020 video from Ireland says about itself:

These fish are so small that we call them fingerlings because they are about the size of a human’s little finger. The fish are newly hatched perch babies, and they are hiding out amongst aquatic vegetation in the water to avoid being caught and eaten by a predatory fish or a wading bird such as a heron. These are beautiful baby fish to watch swimming.