The Most Aggressive Freshwater Aquarium Species

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i'll gve you guys a little dovii story. when i first got my boy blue i bought 3 of them 2 being his siblings. Growing out in a 90 gallon tank by the time they were 3 inches my male decapitated one of his siblings. now there was two. another inch goes buy and i find his brother dead. Then he starts going after my plecos. had to get rid of them. then my 13 inch male jag that was almost twice as big as him. So i gave my dovii to my buddy who had 180 divided in half with a male umbee on the other side. buddy comes home to the dovii on the umbees side and the umbee hiding under a log. i decided i wanted my dovii back annd got rid of teh jag. Buy a female for my boy blue and make a divider. the male breaks through the divider and kills the female. upgrade my tank and try a bigger female. they fell in love and lived happily ever after. except on occassion when he tries to kill her and she stays in her cave for a couple of days. now theyre fry which are about almost an inch are already fighting eachother and esatblishing a hierarchy. crazy fish man
 
Black Jack said:
chipokae african cichlid

http://www.monsterfishkeepers.com/forums/showthread.php?521941-ID-this-killer
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No auratus are nothing. I had 2 a while back in with 4 inch tinfoil barbs, bristlenose plecos etc. One turned black (meaning he was a male) and the other stayed yellow. They were 5 inches and ran scared from every other little cichlid i tried in the tank convicts, small GT, firemouths etc. When i put my clown knife in they were gone within an hour.

I say auratus because most on that thread said it was auratus
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I think if you were to remove all factors but two (including size and dentition) but base the question on pure aggression and intelligence. I think you have only one fish. The convict cichlid. The reason I say this is that though there are other fish with murderous rage, the convict cichlid seems to temper its rage into calculated aggression.

I'll put it this way, if you were to present me with any full grown aggressive freshwater fish, and I was able to somehow size up a convict cichlid to that same size, this fish you bring to the fight wouldn't last long, IF the convict cichlid decided it wanted to fight.

The only caveat is teeth, but we are taking about throwing ones weight around.

I'd be interested to hear if anyone has a different opinion on the "pound for pound" argument I make.
 
Redearsunfish said:
I think if you were to remove all factors but two (including size and dentition) but base the question on pure aggression and intelligence. I think you have only one fish. The convict cichlid. The reason I say this is that though there are other fish with murderous rage, the convict cichlid seems to temper its rage into calculated aggression.

I'll put it this way, if you were to present me with any full grown aggressive freshwater fish, and I was able to somehow size up a convict cichlid to that same size, this fish you bring to the fight wouldn't last long, IF the convict cichlid decided it wanted to fight.

The only caveat is teeth, but we are taking about throwing ones weight around.

I'd be interested to hear if anyone has a different opinion on the "pound for pound" argument I make.
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Pound for pound a firemouth, blood parrot, etc. But i really think the winner would be a Green Spot Puffer. Or for sure Jewel Cichlids would be WAAY up there.


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midas end off lol, more people bleed on youtube due to midas than any other fish but aro are a close second!-)
 
From my experience, my ex red zebra cichlid (just harrased anyone he was with), and my current rtg (anyone who dared to share the top level throne was overthrown lol)
 
I have read some info and I found out the scarier fish are rather skittish most of the time and the fish that don't have visible teeth are more aggressive. In the wild it would be different, in the wild, if an oscar goes face to face with a largemouth bass, it's going into the front end. And if a wild Hydrolycus Armatus goes face to face against an oscar, it's going to win too.


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I'm sure the male betta pound for pound is the most destructive and aggressive freshwater aquarium fish. It's small but an amazing fighter, if it were against a juvenile oscar the same size as one of them, the oscar would be mauled. Any fish that looks like another male gets killed.


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for me its been longnose, florida gar and peacock bass i have kept all three species but not in the same tank. i miss my tanks had to take them down cause we ended up moving but i am wanting to get back into it soon hopefully
 
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