I wouldn't keep them in less than a 6' tank. You're talking about a cichlid that can exceed a foot long. I'd say 125 is the better option of the two.
They are looking good. From what I have read they take a very long time, like 5 years to mature.
They are not hard to spawn at all. When you have a pair, just keep the male from killing the female and you'll be fine.
So true , my male killed the female when she wouldn't spawn again, they had fry on two occasions previously.
He had already killed overnight the other two from my original 4 when they first paired up.
Also mine first spawned at about a year old, the male was about ten inches and the female eight inches.
My Male is now 14 inches and four years old wouldn't keep him in less than an 8 foot tank.
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uh, I didn't say less than a year....I said barely a year. That's when the offsprings of my old pair spawned so I knew exactly how old they were. Can't remember who they did it for...Ryan or Sean or JD?
With this species, the challenge is not water or food or light or temperature. It's keeping a pair in the same glass box long enough. People tend to forget that, in order to get fish to breed, they usually have to be alive.