my red-tail cat fish

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i got her 11-19-12 so a little over 2 moths now.i feed her till she shakes her head at me.i dont know if this matters my tanks are pumping 1250 gallons a hour.
 
ecoli73 said:
Feed your rtc till you see a slight bump in the belly, then withhold food until it is gone.
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That was the advice on my mind.

I assume your 210 gal is 2' wide on the outside. In one pic, the fish clearly looks like she is ~1/2 of the tank's width, which would make it 12" not 18". Am I wrong?

Anyhow, from 3" to 18" in 2.5 months would be 6" a month - that's ~3 times faster than a yearly growth record of ~2" a month on average. If speaking of a monthly record, it can be as high as 3"-4" but the fish cannot sustain such growth longer than a month. Can you please, if you will, rethink your measurements - is there something you missed?

Your diet sounds good. You shoud not have to take out uneaten food often, only once in a blue moon. If you have to take it out often, you are offering too much. I'd reduce the offering and follow the advice above, unless you are trying to powerfeed to minimize the chance of your RTC preying on its tank mates - that'd be a bit different matter.
 
neospeed said:
i got her 11-19-12 so a little over 2 moths now.i feed her till she shakes her head at me.i dont know if this matters my tanks are pumping 1250 gallons a hour.
Click to expand...

I don't think fish give any indications that they are full other than stop eating.

What do you mean by my tanks - in plural? If your tanks total say 5,000 gal, that rate would be very small and poor. If we are speaking of just one tank, your 210 gal, that's an excellent rate but truly what matters is that NH3 and NO2 are zero, even after a good feeding - that's what the flow rate and the biofiltration is all about, except a strong flow directed at surface agitation means high oxygen which is excellent.
 
thebiggerthebetter said:
That was the advice on my mind.

I assume your 210 gal is 2' wide on the outside. In one pic, the fish clearly looks like she is ~1/2 of the tank's width, which would make it 12" not 18". Am I wrong?

Anyhow, from 3" to 18" in 2.5 months would be 6" a month - that's ~3 times faster than a yearly growth record of ~2" a month on average. If speaking of a monthly record, it can be as high as 3"-4" but the fish cannot sustain such growth longer than a month. Can you please, if you will, rethink your measurements - is there something you missed?

Your diet sounds good. You shoud not have to take out uneaten food often, only once in a blue moon. If you have to take it out often, you are offering too much. I'd reduce the offering and follow the advice above, unless you are trying to powerfeed to minimize the chance of your RTC preying on its tank mates - that'd be a bit different matter.
Click to expand...
i did remeasured and she 15 inches sorry i was wrong.
 
thebiggerthebetter said:
I don't think fish give any indications that they are full other than stop eating.

What do you mean by my tanks - in plural? If your tanks total say 5,000 gal, that rate would be very small and poor. If we are speaking of just one tank, your 210 gal, that's an excellent rate but truly what matters is that NH3 and NO2 are zero, even after a good feeding - that's what the flow rate and the biofiltration is all about, except a strong flow directed at surface agitation means high oxygen which is excellent.
Click to expand...
my 210 pumps that much and she will shake back and forth when she dont wont food and left in the tank she pushes it to the corner by the filter
 
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