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Before the alevin start to get out into the open they survive on there yolk. The yolk will last them a month or so. Once they leave the gravel they become a fry. Threats for both alevin and eggs are : gulls, dippers, sculpins, and trout. People are also big threats.
Article posted January 4, 2012 at 03:11 PM •
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Im in 6th grade i go to chimacum middle school. I have 2 cats, also i have a older brother.