Eurasian ruffe has a potential to lay 130,000 to 200,000 eggs and fights against the yellow perch for food. Sadly, the Eurasian ruffe always wins. The Eurasian ruffe eats fish eggs as well as fish. Ruffe can quickly become the most dominant fish in local because of their rapid growth rates. No positive impacts are found.
Description of the Ruffe
The Eurasian Ruffe is a small fish with sharp fins. The ruffe is a small fish that resembles a yellow perch with walleye markings. It is a member of the perch family. An adult ruffe is about five to six inches long. It rarely exceeds 10 inches in length. At first glance, ruffe can resemble young walleye, yellow perch, johnny darter, or trout perch.
Efforts to Control Invasive Species
Many attempts where made to control the Eurasian Ruffe like poisoning the water with pesticides and increasing the population of the Northern Pike, the Eurasian Ruffe's biggest predictor. Both did not seem effective.