ARE THERE MEAN FISH BESIDES CICHLIDS

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It really depends on the cichlids. They can range in size from a few inches to a couple feet, live in at least two different environments, and can have highly different forms of aggression. For a good answer, we'll need to know what cichlid species you're keeping/planning to keep.
 
Well, some individual Leporinus are very aggressive. Catfish in the genus Mystus are nasty, as are the small, non-schooling and fin-nipping Sharp Snouted Piranhas, Serrasalmus sanchezi. (I compulsively describe things like Nigel Marvin) Why do you ask?
 
bwizylh;3902746; said:
red devils and midas, red terror jewels
all cichlids
 
Bottomfeeder;3902794; said:
Well, some individual Leporinus are very aggressive. Catfish in the genus Mystus are nasty, as are the small, non-schooling and fin-nipping Sharp Snouted Piranhas, Serrasalmus sanchezi. (I compulsively describe things like Nigel Marvin) Why do you ask?

S. sanchezi will do it's best to eat anything you put in the tank with it.
 
leps are always good cichild tankmates. They posses the power of making cichilds cower into the corner and destroy them one by one by eating their eyes and nipping their fins till barren. At petsmart there was a tank of leps with about 10 cichlids, which were all in the very corners of the aquarium with the leps controlling the middle. However, some leps are nice and will do nicely with cichlids.
 
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