Science Fair Project Encyclopedia
The cisco occasionally grows as large as 400 mm and 5 pounds (2.3 kg). It has silver sides. They live in cold water lakes and rivers in North America and eat plankton and insect larva. It is related to the lake whitefish. They are preyed upon by game fish like pike and lake trout and are also fished commercially. Commercial fishing, salmon stocking and competition from non-native alewives and smelt have almost eliminated cisco from the Great Lakes.
The cisco is also known as the lake herring or the tullibee.
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