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Posted

Seems late in coming- pretty sure the SWF has been in Lake Muskoka for quite a while now- I used to get a clump of them stuck at the swivel of my leader when deep trolling. Also- isn't it the SWF that has been a major factor in the declining Walleye stocks in Nipissing....

Posted (edited)

Interesting that they don't seam to be in the St. Lawrence river (from what I have seen) considering the Great Lakes drain through it...

 

But I guess the little buggers probably don't like current....

Edited by Mike Rousseau
Posted

Apparently they're in here, Mike. Lots of news about it recently. I haven't seen any myself though.

Posted

They like deeper water from what I have seen. I can troll all day in 60 FOW and never have one on the line.. drop the balls to 80 to 100FOW and up they come.

Posted

http://el.erdc.usace.army.mil/ansrp/ANSIS/html/bythotrephes_longimanus_spiny_water_flea_spiny_tailed_water_flea.htm

 

Impacts

 

Negative

  • Compete with many larval fish for food3.jpg11.jpg32.jpg

  • Outcompete native zooplankton populations leading to drastic decline in native populations7.jpg10.jpg15.jpg22.jpg29.jpg34.jpg

  • In high abundances they can catch on fishing line, fish nets, and trawls forming a paste that may alter the success of these items9.jpg23.jpg

 

Positive

Serves as a food source for many fish species including yellow perch, walleye, white bass, lake herring, and deepwater sculpin

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