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How long do sterile grass carp live?
Posted on 4/19/13 at 7:23 am
Posted on 4/19/13 at 7:23 am
About 10 years ago, I put two of these grass carp in the grandkids' pond. They were about 8 inches long when I stocked them. I think snappers got one of em right off the bat, but the other one got up to about 30 inches long and did a good job of keeping the weeds and grass under control. Grandkids even named him Willy Wonka. I haven't seen old Willy in about a year now and there hasn't been a carcass float up. Grass is starting to accumulate in the pond and I'm gonna hafta get another Willy Wonka, or two? Just wondering if yall have any idea how long these grass carp usually live and how big can they get?
5
Posted on 4/19/13 at 7:40 am to BFIV
In the Basin --- too long.
Posted on 4/19/13 at 7:40 am to BFIV
hey bud 
i have no idea, asked my dad cause he got them in our family pond.. he said, "i don't know, a long time.."
i have no idea, asked my dad cause he got them in our family pond.. he said, "i don't know, a long time.."
Posted on 4/19/13 at 8:31 am to BFIV
My understanding is 30+ years but their consumption drops off considerably as they get older. I found one in our pond dead that was about 10 years old and 42lbs.
Posted on 4/19/13 at 8:40 am to BFIV
they can live to 40 years, but something usually eats them first.
By something I mean otters.
By something I mean otters.
Posted on 4/19/13 at 9:40 am to BFIV
The ones in our pond are at least 20 years old. The last one we caught was something like 25lbs.
If you get next to them in a boat you can grab em by the tail and pick em up.
If you get next to them in a boat you can grab em by the tail and pick em up.
Posted on 4/19/13 at 9:42 am to skidry
quote:
but their consumption drops off considerably as they get older.
That's interesting. I sure didn't know that. So...the bigger and older they get, the less grass and weeds they eat? Maybe Willy is still there, but he just doesn't cruise around the surface like he used to? In any event, the pond grass is spreading quicker than it used to, so even if Willy is still there, do yall think I need to cull Willy and put in a couple of much smaller grass carp?
Posted on 4/19/13 at 9:48 am to BFIV
No reason to cull him. Just add a couple of new ones.
Posted on 4/19/13 at 10:17 am to BFIV
Yeah, you have to put fresh grass carp in every so many years. The bigger they are the less they eat. I think after 5 years or so it's good to put in new ones. Just put a .22 into ole Willy's head.
Posted on 4/19/13 at 10:32 am to ZacAttack
Some good info here! I've got the grandkids' pond stocked with bass, bream, and fatheads. The bass are self sustaining now and some of em are up to about 5 and 6 lbs. I also wonder if grass carp will prey on bass and bream fry or eggs? I don't want their fishin pond scoured clean of all vegetation, but just enough for the kids to be able to fish. I'll get some more grass carp as soon as the fish truck comes around again. That sure surprised me to learn that the bigger and older those grass carp get, the less they eat. As big as old Willy was, I couldn't understand why the grass and weed problem kept gettin worse.
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