Question: Does tank affect growth?

J

jeneral

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Jenna
I was wondering if the size of the tank & how many are in the tank have an effect on the growth rate of larva/juvies? I have noticed that every time I put my juvies into a bigger tank (usually to make room for more babies) they have a growth spurt. Does keeping a lot in a small tank make them grow slower?
 
It can based off of water parameters, nitrates will get out of hand much quicker in smaller tanks & will affect growth ratez. Also some fish put out growth limiting hormones (supposedly) and maybe axies do as well?
Other effects of a small tank on growth im unsure of, maybe less exercise so axies are less muscular :rofl:
 
I think yes - just based upon observation but not necessarily just a result of tank size per se. I ALWAYS get some have a growth spurt when I reorganise my tanks to spread them out a bit and regroup by size.

It seems to me that competition has something to do with it as well - some always get more than their " fair share" while others seem to get enough to keep them growing (but less slowly) and before I know it I have some that are large and very plump while others lag behind.

Resize them again, spread them out some more and same again in every tank - but of course, smaller tanks consistently end up with less and less axies in them.
 
I think they are starting to get to the point where i need to split them up again so I guess they will have another growth spurt soon.
 
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