The Greek trout is the wild trout, lives in the rivers and is not bred in fish-hatcheries. The high nutritional value of the fish in general, contributes positively to a balanced Mediterranean diet.
In the Regional Unit of Pella there are trout-hatcheries that form a significant income for the inhabitants of Nisi, Arnissa, Agra, and Brytton; all villages located near the Vegoritis lake.
On the other hand, the lake crawfish is a special product for the region and especially for the Nisi village, of the Municipality of Edessa. Every year the National Crawfish Festival is organized there and gathers thousands of visitors.
