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Joined: Mar 2017
Posts: 43
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OP
Joined: Mar 2017
Posts: 43 |
Long story:
2nd year into renovating/managing older sand pit. Limed last March. Struggled getting appropriate bloom and fought algae summer of 2017. Changed fertilizer for 2018 (increased P fert). Worked good. Had decent bloom but not 24", no algae problem water is really pretty.
Starting about 2 weeks ago: bloom looked really good, seemed to be getting better. Following trip noticed water looked extremely green and vis had gone to around 2 feet. Not brown but looked like a great bloom. Also noticed what looked like white blooms from some plant floating on the water. Didn't pay a lot of attention. Next trip investigated and it was muscles floating dead on the water. Hundreds of them. Enough that as they have collected along the bank and started to rot it's very a noticeable smell. No fish floating at all anywhere, haven't even found a floater all summer. I know its possible for a drop in oxygen levels to kill shad and muscles and not be enough to affect fish. Very few small fish and all my bigger BG are no longer visible around the dock or banks. I don't have any shad so I don't know for sure if this is the case. We are in the dog days of August, dry, hot, and evaporation rate is very high. Water level has probably dropped 10 +/- inches total over the month of August.
Anyone ever seen this happen?
Last edited by SteveC; 08/16/18 03:57 PM.
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Joined: Jun 2016
Posts: 2,344 Likes: 101
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Joined: Jun 2016
Posts: 2,344 Likes: 101 |
I saw something like this earlier this summer. I had some, not a lot, of 1/2" long clam-like muscles that floated around the pond. My assumption was that the muscles were floating to the surface with a minor outbreak of FA mats. I saw the muscles on the mats and I also saw them floating solo. It never dawned on me that they might have been dead so I never checked. This went on for maybe a few weeks. I raked some FA a time or two then the FA subsided and the muscles were not to be seen floating around anymore.
I never had any dead fish, but the pond clarity at the time, IIRC, was poor and there were bagillions of bullfrog tadpoles. It would not surprise me if my DO2 was on the dangerous side.
Fish on!, Noel
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Joined: Jun 2016
Posts: 2,344 Likes: 101
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Joined: Jun 2016
Posts: 2,344 Likes: 101 |
Calling any muscle experts. Just a bump to get some attention.
Fish on!, Noel
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Joined: May 2014
Posts: 3,861 Likes: 298
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Joined: May 2014
Posts: 3,861 Likes: 298 |
7ac 2015 CNBG RES FHM 2016 TP FLMB 2017 NLMB GSH L 2018 TP & 70 HSB PK 2019 TP RBT 2020 TFS TP 25 HSB 250 F1,L,RBT -206 2021 TFS TP GSH L,-312 2022 GSH TP CR TFS RBT -234, 2023 BG TP TFS NLMB, -160
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Joined: Aug 2016
Posts: 491 Likes: 13
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Joined: Aug 2016
Posts: 491 Likes: 13 |
yes res will eat mussels - so do white drum
Mat Peirce 1.25 acre southeast Iowa pond LMB, BG, YP, WE, HSB, RES, BCP
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Joined: Mar 2017
Posts: 43
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OP
Joined: Mar 2017
Posts: 43 |
Calling any muscle experts. Just a bump to get some attention. Thanks!
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Joined: Jun 2016
Posts: 2,344 Likes: 101
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Joined: Jun 2016
Posts: 2,344 Likes: 101 |
Fish on!, Noel
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Joined: Dec 2015
Posts: 39 Likes: 1
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Joined: Dec 2015
Posts: 39 Likes: 1 |
Algae toxins can kill both vertebrates and invertebrates. There are associated with severe blooms. They even have an acronym for it. "HAB" or harmful algae bloom. Likely your culprit.
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