Geophagus Altifrons tankmates

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I really love the Threadfin Acara, but after some reading, I found they are murderous to one another when get to reproductive age.
What are the others that are smaller?
Thank you, I'll look up the geophagine that are smaller.
 
I really love the Threadfin Acara, but after some reading, I found they are murderous to one another when get to reproductive age.
What are the
Not only murderous but glutinous lol. This is a very knowledgeable member who can guide you in the right direction duanes duanes .
You helped me great!
others that are smaller?
Thank you, I'll look up the geophagine that are smaller.
 
I had 6 Geo altifrons in a 150 gal with Guianacara sp, Meshoheroes and ornatum.
I was warned by an expert, that in a little over two years, the tank would be too small for the altifrons, because at 3 years old they become mature, and need something larger. I thought I knew better, how could an @ 10" fish be too large for a 6ft 150?.
At 3 years, as if a light bulb went off, they killed each other almost over night.
They were never aggressive with other species, only each other.

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I had 6 Geo altifrons in a 150 gal with Guianacara sp, Meshoheroes and ornatum.
I was warned by an expert, that in a little over two years, the tank would be too small for the altifrons, because at 3 years old they become mature, and need something larger. I thought I knew better, how could an @ 10" fish be too large for a 6ft 150?.
At 3 years, as if a light bulb went off, they killed each other almost over night.
They were never aggressive with other species, only each other.

[/URL
Yeah, that is no way close to what I want.
 
I had 6 Geo altifrons in a 150 gal with Guianacara sp, Meshoheroes and ornatum.
I was warned by an expert, that in a little over two years, the tank would be too small for the altifrons, because at 3 years old they become mature, and need something larger. I thought I knew better, how could an @ 10" fish be too large for a 6ft 150?.
At 3 years, as if a light bulb went off, they killed each other almost over night.
They were never aggressive with other species, only each other.

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To you, Would 5 of the Red Heads be ok in this size tank? Appears any more would be pushing it in the size than I will be getting.
Also, I really like the Threadfin acara, I have done some reading that they too are aggressive with one another ( seems even more so than the Altifrons) . Would one be happy with, say, 4 Red Heads in a 150?
Thanks for your help.
 
Sorry I misread read before, and thought you meant Acarichthys heckelli (the thread fins) and that is what I was referring to.
These days there are the red (or orange) head groups
the red head Tapajos, which I have kept, (part of the altifrons clade) and I didn't find aggressive in that size tank.
Or the red hump group(the G steindachneri clade) which even though small, can be quite aggressive with each other.
The term red head is very vague, so using scientific names would go a long way to being accurate.
Tapajos
 
Sorry I misread read before, and thought you meant Acarichthys heckelli (the thread fins) and that is what I was referring to.
These days there are the red (or orange) head groups
the red head Tapajos, which I have kept, (part of the altifrons clade) and I didn't find aggressive in that size tank.
Or the red hump group(the G steindachneri clade) which even though small, can be quite aggressive with each other.
The term red head is very vague, so using scientific names would go a long way to being accurate.
Tapajos
I'm sorry, all these names are new to me and didn't realize the nomenclature could be misconstrued. I actually was interested initially in the Acarichthys heckelli but with some reading I found that they could not be put together except in very large tanks and by people very experienced. I am getting a 150 why ch is not adequate and while I have kept discus for 15+ years, am inexperienced in SA's of other species.
After reading more ( there is such conflicting information out in internet land, which I'm Survyour aware of) I had chosen the Geophagus Altifrons because I had read that they were more " peaceful". But, now I am really convinced confused.
So, with what I learned from last night, I thought I needed to pick some other species of Geophagus that would be more appropriate for my size tank. I am not interested in fish to breed nor want to get a species that will murder each other.

Sorry again, the last post I was asking if ( now that I need to find a Geophagus that is less boisterous) would first of all: THe Red ahead Tapajos even better behaved? Five be okay in a 150?
And, as an aside, could I exchange 1 of the Tapajos for a Acarichthys heckelli.
 
I'm sorry, all these names are new to me and didn't realize the nomenclature could be misconstrued. I actually was interested initially in the Acarichthys heckelli but with some reading I found that they could not be put together except in very large tanks and by people very experienced. I am getting a 150 why ch is not adequate and while I have kept discus for 15+ years, am inexperienced in SA's of other species.
After reading more ( there is such conflicting information out in internet land, which I'm Survyour aware of) I had chosen the Geophagus Altifrons because I had read that they were more " peaceful". But, now I am really convinced confused.
So, with what I learned from last night, I thought I needed to pick some other species of Geophagus that would be more appropriate for my size tank. I am not interested in fish to breed nor want to get a species that will murder each other.

Sorry again, the last post I was asking if ( now that I need to find a Geophagus that is less boisterous) would first of all: THe Red ahead Tapajos even better behaved? Five be okay in a 150?
And, as an aside, could I exchange 1 of the Tapajos for a Acarichthys heckelli.[/QUOT
Please excuse type errors- on my phone.
 
I have found heckelii do not do well in hard water.They seem fine up to around the 4 inch mark.
Eventually they become very prone to bacterial infections. I have witnessed this first hand. I have also heard it said by other hobbyists.
I also found they can become aggressive and this was in a 210 gallon.
Have you considered a group of biotadoma cupido?
They also do well in groups are peaceful and won't out grow your tank.
 
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