Breeding Stunting Growth

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Chago09

Feeder Fish
MFK Member
Jun 8, 2006
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Ontario
IS there any truth to this??? how would a breeding male stunt growth at all??? I don't understand this??? the fish in the wilds only purpose is to continue to breed as much as possible. In the wild these fish all get much bigger then in aquariums. Is this just an old wives tale???
 
Ive never heard of breeding males stunting their growth just because they mate. I think it encourages growth? Fish will obviously get larger in the wild because of pristine conditions.
 
I don't think breeding stunts fish, just slows down the growth. The energy used for breeding (making gametes) is not used for growth. What I've heard anyway, don't know how much of that is true or not.
 
I have a couple of friends who breed african cichlids. The peacock males they use for breeding are significantly smaller than the non-breeding show adults they have. I think the main difference is that the ones used for breeding are bred about as often as possible (they have an online fish store to support).
 
Well the B.Microlepis (I know its african, but its still a cichlid) breeds only once in its lifetime, so maybe there a certain cichlids similar to that that could maybe only breed once and then stop growing. But honestly I havn't even heard of the B.Microlepis halting its growth after breeding. I think every Microlepis probably did halt its growth if it was kept in aquaria anyway so its hard to get any conclusive info.

I could see how constantly breding them could slow their growth (like dexman said) because that probably puts a lot of strain on the fish since they probably only breed in certain seasons in the wild.
 
Breeding does slow/stunt growth. The amount of energy that goes into breeding (and not into growth) coupled with the stress of breeding and raising fry really do play a large part in growth.

Think of the triploid trouts, they get so big so fast because they don't breed. Just grow and grow and grow.
 
I've always heard the same to be true.. breeding fish at young age isn't very good..

Yes in the wild their purpose is to breed, but wild is much different conditions.. they have seasons, and fish are probably not stuck in the same 4-6ft of space together.
 
I agree. I brought my Tex home when he was less than an inch long. He had a pretty fast steady growth rate until (@ about 4 inches) he bred with a female con. The growth definitely slowed during that time.
 
i wouldn't so much say breeding stunts its growth . but i would say while breeding it slows its growth rate down and also while breeding it loses appetite in food which of course food helps fish grow too.
 
Modest_Man;1407007; said:
Breeding does slow/stunt growth. The amount of energy that goes into breeding (and not into growth) coupled with the stress of breeding and raising fry really do play a large part in growth.

Think of the triploid trouts, they get so big so fast because they don't breed. Just grow and grow and grow.

We have some of those grass carp in a pond like that, they are shocked when they are in the eggs and it adds the chromosome. I think the last time I was next to one (well one was next to me) I guessed it was somewhere in between 3.5 and 4 feet.

Its neat when they swim in schools though and their dorsal/tail sticks out of the water and they look like sharks.
 
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