Just how nasty are these fish?

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carpediem;805845; said:
They are territorial, but not more so than other Amphilophus. In my opinion, what sets this fish apart from the others is how powerfully they're built. They're such stout fish and they grow so large. Their body type and size coupled with the Amphilophus pugnaciousness makes them quite a handful.

I have fallen in love with this fish over the past several months. I have not attempted to keep them with anything other than their own species and scavengers. They seem to tolerate each other well, so long as there are no pairs. As a matter of fact, I am able to keep large Cory aneus with them and they don't bother them a bit.

Truly a spectacular fish.
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You can keep them with Cories? I am amzed by that, but perhaps they know better than to bother a catfish with spines.
 
they are not that bad IF you put them in a tank that has something a little larger in it. I have mine in with two larger frederick stoli and he is fine. he will otherwise be very aggressive.
 
ewurm;809025; said:
You can keep them with Cories? I am amzed by that, but perhaps they know better than to bother a catfish with spines.
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Sure do... The cories do really well in that tank too. Earthworms, krill, and a multitude of food sticks. The festae are messy eaters and they get a lot to eat.

I only see serious aggression from these guys when they spawn. My female is insane. She is a demon fish when she spawns. I just tentatively removed a divider and she is free with a male a little bit larger than her. She colored up real nice and is showing off for him but he doesn't know how to handle her aggressiveness. If he can hang in there with her then I think they will spawn. I may go down in the morning and find him shredded though, you never know.
 
The blueish black tinge is what it will look like in it's earliest stages. I have found this to happen at around 2.5"-3.5". This will then turn to black upon reaching maturity at around 3.5"-4". That is to help you sex them. If they are any smaller themale and female will look the same. There really is no way to tell when they are juvies, they will all look the same.
 
If they are all juvenilles which I'm sure they will be do you suggest buying like 4-5 of them and wait to see. My LFS will always take back fish, they won't give you anything for them but they will take them back so someone else can buy them.
 
!2-18" Extremely aggressive.Pairs will not tolerate other fish when they are larger.Best kept alone with divider handy.
 
Does any one have pics of any juvis. From all the reading I've been doing on them I'm gonna get some. I've been keeping Oscars for about 20 years and I think its time for a change. I love O's but want to start something new. I wanna get about 6 juvis and watch them grow and hopefully get two to form a pair. The one store I go to had Red Terrors and they wound up being Uros. They're nice fish two but I don't want to get the wrong fish. Any pics would be awesome. I've bred dogs for about ten years and want to start something new. Cichlids are so much like the dogs I've been breeding, Bullmastifs and Am. Pitbull Terrs. Aggression and personanlity. Even my wife who is not a fish person, loves them.
 
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