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Squirrel
Although squirrel do typically reside on trees, it's also an agile and capable swimmer.
The squirrel is known to cross lakes, rivers and ponds if the need arises.
When they do, they have no natural defenses against a larger predator from below. Like the chipmunk the squirrel will swim with its tail in the water only when it is tired. Fish see this and instinctually know that this is the time to strike.
Choose a Mausfish Squirrel lure when you are trying to attract big fish like Muskie, trophy-sized Pike or Taimen.