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Eurasian Ruffe

Recommendations and solutions

Environmental Consequences

Societal and economical consequences

.Understand what the ruffe looks like

.If you catch a ruffe, kill it

.Inspect your boat and area if you plan to move out

.Don't use live bait

.Donate them to the pet store

.Make a call to the Invading Species Hotline if you found

one in a unconfirmed area

.Rinse and dry your equipment as you would with your

hands

In areas where the Ruffe has thrived, other

fish had died, this doesn't cause a huge problem to the environment right now, but we need the fish so they can feed other fish and provide us with food and supplies.

If we let the ruffe stay alive, other fish will die and the ruffe may be the only fish alive,

since the ruffe has very few predators and is hard to eat, this will cause a lot of problems to the fish, thier food web and our needs.

If we don't do anything drastic to the ruffe

They will spread all over thre great lakes

If we still let them continue to be the dominant fish, the ruffe may be one of the only fish to inhabit the great lakes

Description

What are we doing?

In an effort to get rid of the Eurasian Ruffe, it has been banned for sale and bait use, and the public has been given orders to kill the Ruffe if they catch it.

Scientists have also been working to develop a piscicides that would kill the ruffe, but leave other fish alive

Native Food Web

It has been proven that the food web of the ruffe has not changed after it's transfer

The Eurasian Ruffe is a small fish ranging from around 25cm each, however it is able to damage and ruin the lives of many other species in the water, such as competing for food, taking habitats and eating the eggs of fish. They do not have many predators, they reproduce and mature very quickly and they can adapt to a wide variety of conditions in the waters

Native Niche

The Eurasian ruffe is prey to very few animals due to the spikes on it's head, they swim around in deeper, darker water to avoid predators and they go to the shallow water at night for food.

Native Habitat

The native habitat of the Eurasian Ruffe is northern Asia and Europe, or Eurasia. It is believed it made it's way to North America from a ballast vessel from Europe in the mid 1980's

Native Habitat of the Ruffe

New Habitat of the Ruffe

The first ruffe sighting was spotted in the great lakes of North America such as Lake Superior, Michigan and Huron, they are now seen in several other places in ontario such as the Kaministiquia River near Thunder Bay

New Niche

It's tactics may have changed but it's diet hasn't. The Fish now spends it's lives in the great lakes of North America, it does the same thing a normal fish would do except it wins the competition every time, it get's it's food first, it reproduces first and it's the last one to die, only huge fish such as sharks and whales eat the Ruffe due to the hard spikes on it's head, making it hard to chew unless it has a big mouth.

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