82989
Various other unofficial trivial names are common pike , Lakes pike , great northern pike , northern ( in the U.S. Upper Midwest and in the Canadian provinces of Alberta , Manitoba and Saskatchewan ) , jackfish , jack , snot rocket , slough shark , snake , slimer , slough snake , gator ( due to a head similar in shape to that of an alligator ) , hammer handle , and other such names as " long head " or " pointy nose " .
 Lakes, U.S. Upper Midwest, Alberta, Manitoba, Saskatchewan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
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Answer:
 Lakes, U.S. Upper Midwest, Alberta, Manitoba, Saskatchewan