large fish for 120 gal.

hey oldman, my sources are my fish and all the information i can find online. if it is conflicting let me know and i will look into my facts. also it is so harmless i keep it with cherry shrimp and he only bothers them when i feed red pellets. even then, as soon as they move he backs away. too bad they are aggressive towards each other or i would have a few more.
 
hey oldman, my sources are my fish and all the information i can find online. if it is conflicting let me know and i will look into my facts. also it is so harmless i keep it with cherry shrimp and he only bothers them when i feed red pellets. even then, as soon as they move he backs away. too bad they are aggressive towards each other or i would have a few more.

I think oldman misread what you read about the fish size, thinking you were referring to H. multispinosa.
 
I think I see what was going on. One subject was prochilodus which I know nothing about. I see its a very large fish by my reading.

This is the fish that I was talking about
http://www.aquariumlife.net/profiles/central-american-cichlids/rainbow-cichlid/100152.asp
http://www.thetropicaltank.co.uk/Fishindx/rbowcich.htm
http://www.aqua-fish.net/show.php?h=rainbowcichlid
http://www.peteducation.com/article.cfm?cls=16&cat=1956&articleid=2557
http://fishbase.sinica.edu.tw/Summary/SpeciesSummary.php?id=12315
http://www.fishprofiles.com/files/profiles/483.htm
These are just the first few I found with pictures using a google. The different shadings in fish color in the pictures is not at all unusual in these guys. Their color shifts with their mood and you can see most of the colors in the pictures in as little as 1/2 hour on the same fish. Easy to feed, they love vegetable matter and gobble down commercial foods. They have many of the same characteristics as jaysen listed for the prochilodus but are obviously a different fish. They are also sort of shy, will be skittish without the right tank mates to draw them out, are very peaceful with reasonable sized fish and don't tolerate large numbers of their own species when they are trying to breed.
 
I second severum. Frontosa is another big cichlid that can be gentle with other fish, as long as s/he is the biggest in the tank! Fronts and sevs both have a ton of personailty, and are beautiful fish.
 
I second severum. Frontosa is another big cichlid that can be gentle with other fish, as long as s/he is the biggest in the tank! Fronts and sevs both have a ton of personailty, and are beautiful fish.

Frontosas are a bad choice for the OP. They will gladly devour anything small enough to eat, which include most of what the OP wanted in the tank.

Severums and most Geophagus are more suitable
 
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