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"David" wrote in message
... Has anyone had any experience with small fish swimming over, or being swept over, weirs? Do they generally tend to stay away from unexpected fast-moving currents "into the unknown abyss", or do they instead tend to like to play with "weir roulette"? I am specifically thinking right now of mosquito fish, but if anyone has experience with larger fish, that would be of interest to me as well. Thank you very much, David Without a doubt, they play weir roulette. The extent varies by the size of the water body (smaller=more jumps), the water conditions (bad=more jumps), food conditions and if they see-feel-sense water or movement on the other side of the weir. Think about salmon making their way upriver. It's natural. -- www.NetMax.tk |
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Thread | Thread Starter | Forum | Replies | Last Post |
Any one know a link to calculate a weir width for a fall I can't find my link. | Mickey | General | 2 | August 16th 03 03:17 PM |