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my 3.5 acre pond is full of massive grass carp

Posted on 5/30/25 at 10:05 am
Posted by CAD703X
Liberty Island
Member since Jul 2008
91131 posts
Posted on 5/30/25 at 10:05 am
i can't tell if this is a good thing or bad thing. we're talking 15-20" inches or larger or more.

i know they are good at eating vegetation but at that size are they going to cause more problems than they solve?

WWTOBD?

Posted by bbvdd
Memphis, TN
Member since Jun 2009
28047 posts
Posted on 5/30/25 at 10:11 am to
They won't hurt anything and if there is enough food, they will get bigger.

I put 30 in my lake last year.

Also, they are sterile so, they won't reproduce.
Posted by SmokinBurger
Bayou Self
Member since Sep 2021
493 posts
Posted on 5/30/25 at 10:11 am to
How did they get in there? Did you stock the pond with any?
Posted by White Bear
AT WORK
Member since Jul 2014
17185 posts
Posted on 5/30/25 at 10:20 am to
Posted by CAD703X
Liberty Island
Member since Jul 2008
91131 posts
Posted on 5/30/25 at 10:37 am to
quote:

How did they get in there? Did you stock the pond with any?
we have only lived here for a little over a year and they came with the pond.

they are easily twice as big as they were last year, the little pigs.
Posted by 24nights
North of I10
Member since Apr 2012
5246 posts
Posted on 5/30/25 at 10:38 am to
Dam Cad, that's a beautiful piece of property.
Posted by cgrand
HAMMOND
Member since Oct 2009
46353 posts
Posted on 5/30/25 at 10:55 am to
if it were mine I’d get rid of them. If there is a fisheries management resource available to you in your area you can hire them to come do a test shock and see what all comes up, then decide what to do. If all you have is the carp and a bunch of other trash fish like shiners etc you could (if you wanted) shock the whole thing and then restock
Posted by LoneStarTiger
Lone Star State
Member since Aug 2004
16426 posts
Posted on 5/30/25 at 11:14 am to
quote:


WWTOBD?


spot and stalk
Posted by choupiquesushi
yaton rouge
Member since Jun 2006
33675 posts
Posted on 5/30/25 at 11:15 am to
the bigger they get the lazier they get and don't eat as much per pound and smaller ones.
Posted by WillFerrellisking
Member since Jun 2019
2470 posts
Posted on 5/30/25 at 11:16 am to
Shoot them with a 22
Posted by hogminer
Bella Vista, AR.
Member since Apr 2010
10252 posts
Posted on 5/30/25 at 11:30 am to
Your pond is bad-arse. I would take those carp out though. They will destroy most of the aquatic vegetation along the shorelines which are good for your young fish to escape predators.
Posted by EFHogman
Member since May 2016
652 posts
Posted on 5/30/25 at 11:33 am to
There was probably an issue with overgrowth of vegetation in the pond and thats why carp were put in there. If you take those carp out, you might have an issue with vegetation over growth. Something to think about.
Posted by John_V
SELA
Member since Oct 2018
2030 posts
Posted on 5/30/25 at 12:03 pm to
Depends on how your pond is, if beneficial vegetation is scarce I'd get rid of them. Buying a few carp down the line is alot easier than growing grass again. Ask False River about that
Posted by CamdenTiger
Member since Aug 2009
65122 posts
Posted on 5/30/25 at 12:18 pm to
First you make a roux?
Posted by White Bear
AT WORK
Member since Jul 2014
17185 posts
Posted on 5/30/25 at 12:23 pm to
Dude that pic shows zero veg.
Posted by Out da box
Member since Feb 2018
710 posts
Posted on 5/30/25 at 12:26 pm to
Very bad. I had that problem. Kill all fish and start over( rotenone). It’s cheaper than you’d think . In year 2 you can harvest healthy young bass..
Posted by bbvdd
Memphis, TN
Member since Jun 2009
28047 posts
Posted on 5/30/25 at 12:46 pm to
quote:

Dude that pic shows zero veg.


It's May and OP is in Nashville. My lake has zero veg right now but in a couple of months will have a lot unless my carp do a really good job.
Posted by White Bear
AT WORK
Member since Jul 2014
17185 posts
Posted on 5/30/25 at 12:51 pm to
quote:

It's May and OP is in Nashville. My lake has zero veg right now but in a couple of months will have a lot unless my carp do a really good job.
What do the carp eat during no veg season?
Posted by bbvdd
Memphis, TN
Member since Jun 2009
28047 posts
Posted on 5/30/25 at 1:14 pm to
quote:

What do the carp eat during no veg season?


Honestly don't know. I'm sure there is something down there that they eat, but the heavier grass that they're put in to control won't so up until the water warms up more. Usually over in June.


ETA: the guy from the state that told me to put them in my lake recommended I think 10-15 per acre.

I only put a fraction of his recommendation just to see how they do and can add more if I need to.
This post was edited on 5/30/25 at 1:16 pm
Posted by The Torch
DFW The Dub
Member since Aug 2014
27441 posts
Posted on 5/30/25 at 1:16 pm to
When you mow blow the grass clippings in the pond, they will go nuts.

If I was trying to grow bass I'd get rid of them
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