Discussion regarding only Lake Malawi species.
Sat Mar 28, 2020 2:30 pm
Grow out can be any reason you want the fish to be larger. For me and my mentors, it is for growing out a male when you can only get unsexed juveniles or growing out fry (fry that I bred) until they are 2 inches and big enough to survive in the main tank.
I would not add fish until fish have been healthy for 3 weeks. Healthy means no pop eye, no bloat, no deaths, etc. If you think you have bloat it will not go away and you should treat the tank. Bloat symptoms include not eating and thready white/clear feces. I double dose with metronidazole.
I am going to wait for Members to respond that have more experience keeping the large haps to advise on numbers and species.
Some fish are on the list you have lost as well as the list you still have?
Sat Mar 28, 2020 3:07 pm
Yes, I still have the 8 out of the 13 final fish I want. So, once stabled, I want to buy and add the remaining 5 fish and call it stock. Of course until someone that needs to be remove, then I will need to figure out what to add, hence I am asking about the grow out tank.
Sat Mar 28, 2020 3:14 pm
The grow-out tank is not to get fish the same size. Aggression is not always or even often size related unless you have a 10" piscivore and a 2" mbuna.
If you are adding fish after the tank is stabilized, you would probably use the "grow-out" tank for a three-week quarantine.
When you remove a fish, you are not growing him out or putting him in time out...you are housing overnight until you can deliver him to his new home.
Sat Mar 28, 2020 3:49 pm
Oh, then I think I totally misunderstood the purpose of grow out tank. So what is the purpose of grow out tank again vs a hospital tank vs a QT tank?
Sat Mar 28, 2020 3:57 pm
Nvm, I see you already mentioned, it’s to grow fish to 2 inch or so until it can survive in main tank or until it can be identified as male. So, if I can’t find a large make, I would get a juvenile or a few, grow then until I find a male and a size that I think can survive, then rehome the rest of the fish and add that fish to the main tank. Am I understanding it correctly?
Also, how do you keep the tank cycle between the fishes?
Sat Mar 28, 2020 4:02 pm
To answer your question before, 4 out of the 5 fish I want to get, I never had before. I had a 2.5 inch compressicer once but did from bloat.
I am dosing my tank with Epsom salt right now. Will order Metro.
Sat Mar 28, 2020 4:05 pm
Also, I read that you can’t really get rick of bloat as it’s in every fish’s intestine but will not become an issue for healthy fish and less stress. Is this true? If I dose the tank with Metro, does it get rick of the bloat permanently if I don’t add anymore fish?
Sat Mar 28, 2020 4:17 pm
There are a lot of theories about bloat and possibly several organisms that cause it.
Say it exists in the gut at all times, but in safe levels. Stress (this I believe wholeheartedly) decreases the immune system and the organism grows out of control, blocking the gut. Death.
Metronidazole will get the organism back to normal levels and save most of your fish. Changes the fish keeper makes removes the root cause...the stress. Bloat does not come back.
Keep small filters running on the main tank so you will have them to transfer to the hospital/grow-out/quarantine. Mine are usually used for fry.
Sat Mar 28, 2020 5:02 pm
Thank you DJ for all the answers, I all learning a lot. A little more in the size and fish. So at what point does size matter? Obviously if another fish can eat the other one it matters but from a aggression point. Say if I have a bigger peaceful fish with a much smaller aggressive fish vs same size different aggression level, vs larger aggressive fish with smaller mild aggressive fish.
For Instance, I have mostly 3-4 inch fishes now and when I add the other fish later, would getting 5-6 inch fish be better than 3-4 inch or 2-3 inch? Does it matter?
Sat Mar 28, 2020 5:15 pm
The reason I ask is I notice currently in all my tank, it’s the largest few fish dominating the tanks and chasing other.
In my 125 it’s the German Red (hybrid?)
In my 100 it’s largest OB
In my MBuna, it’s the largest Red Top Zebra
Sat Mar 28, 2020 7:12 pm
For me it is the smallest demasoni. They don't know they are small.
In general adding 2 inch fish is best for aggression, but that does not work for an all-male tank because you often cannot really ID males until 3 inches or bigger. If you get fish with similar aggression (not a dolphin with a VC 10) and add 3-5 fish at a time size is not very important. BUT I do not like the big haps so the answer could be different with them.
I would say with your examples the size is coincidence and those are the most aggressive fish in the tank at any size.
Sat Mar 28, 2020 8:25 pm
I thought Dolphin and VC 10 are at same aggression level. I checked them both in the specie profile and both are label as mildly aggressive. Did you mean Electra because they are both Placidochromis? If I get a bigger Electra than the VC 10, I wonder if it makes any difference.
Since I am only going to add 5 more fish, I think I had to add at once.
Sat Mar 28, 2020 9:36 pm
Can you tell me if this is German Red or some kind of Hybrid? It was sold to me as German Red.
Sat Mar 28, 2020 9:37 pm
I see what you mean by the profiles, but my impression from years of reading posts in this forum is that dolphin is more peaceful and VC 10 is aggressive. Better to wait for Members to post who know the big haps.
Expect to add/remove fish for the first 2 years from an all male tank.
Sat Mar 28, 2020 9:53 pm
When doing all make tank, when you add / remove fish, do you normally just add the same specie but different fish, hoping for different personality or try totally different fish?
For instance, if my Venustus becomes too aggressive in the future and I rehome it, do I try another Venustus or better off trying a totally fish like Livingtonii?
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