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Natural History Of The Lamprey
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Lamprey is a common name for about forty species of jawless, eel-like fishes. They are very smooth skinned and scaleless. Some can grow up to three feet in length, usually only in the oceans. All lampreys are dull colored, ranging from light-tan to molted-brown or bluish-black. Scientist consid ....
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....hese lakes. They were competing with the fishing industry for the available trout. After invading Lake Superior, the lamprey became a serious threat to the fishing industry there. As a result, in September of 1954, the United States and Canada signed an agreement for joint action against the lamprey. The most effective method of control was the electromechanical weir. This was where adult lamprey would get electrocuted as they swam upstream to go spawn. They also used selective chemicals t.... |
| Number of words: 1160 |
Approximate pages: 5 |
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