Aquaponic Gardening

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In how many months can a Mozambique tilapia grow to a full adult? And how much do I have to feed them?

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What do you mean by adult? They are sexually mature and can breed in 3-4 months, and can get near a pound in 6 months. 

I mean when is it big enough to harvest for eating?

The perfect answer would be "it depends".  My first Mozambique fingerlings will be two years old in in August . Actually they were four inch fingerlings when I got them so they are most likely already two years old.  I have eaten a couple a while back, grilled whole but they are just now starting to look big enough to get good sized fillets from them . Most of the time I feed them twice a day unless the water quality turns bad then they might not get fed for several days until it clears up and there are days when I only have time to feed them once a day so.... It depends.

But it depends on what? The feeding?

Pretty much depends on the feeding, the protein, the water quality, How hard you want to monitor everything. But, Just my uneducated opinion. But with my short experience, feeding is like a gas peddle in a car, you can go fast if you are 100% alert. Ammonia, nitrite and nitrates respond and in that order. In my case, I most likely do not have enough grow beds for my systems but I am working on that. I find my self changing a lot of water in one of my systems. The one with the fry fingerlings.

I do know that feeding them a lot can cause an ammonia spike. But I have this biofilter and it's working really good. So I don't suspect an ammonia spike. These fish really eat a lof of food. They eat everything ever time I feed them.

Mozambiques are generally the slowest growing of the more popular Oreochromis species.  Blues, White Brook White Niles and Red Niles will typically perform much better.

I think that's why they aren't big yet. This year they will be one year old. But there are still some small fish in the pond.
Since here isn't an island where you can get tilapia species easily, I didn't have much choice. Got these as a gift



Kellen Weissenbach said:

Mozambiques are generally the slowest growing of the more popular Oreochromis species.  Blues, White Brook White Niles and Red Niles will typically perform much better.

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