What is the meanest fish with the worst temperment you have ever kept?

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my gold severum. he nearly killed a male con and is on his way to butchering my p. loisellei. he is only 3.5" or so.
 
cichlid2006;1532466; said:
my gold severum. he nearly killed a male con and is on his way to butchering my p. loisellei. he is only 3.5" or so.
A gold severum?! lol come on a salvini could take him out. Put a red devil in with him he won't be so tough anymore.
 
Meanest I have kept red devil and and actually a rockbass.
 
i know how funny it sounds. but he is a mean SOB! i got himn cos they are supposed to be nice and relatively calm lol.
 
Snakehead followed by the buttikoferi is the meanest i have seen in the aquarium i did not know a black shark was a bad azz fish. I have seen some smaller black sharks living peacfully with some oscers and severums i have not seen them be aggressive.
 
Salvini...If he doesn't like a tankmate regaurdless of size, he takes chunks out of him. Killed a same sized male con, a large creek chub and a nandus nandus just because he didn't like them in his space. Took chunks out of all of them with its sharp teeth and bullied the heck out of everything else in the tank (even a 9" suncat that is atleast 3x its size and muscular as heck)
 
5" Texas that killed my breeding pair of O's(M 10" Tiger,F 8" Albino Red)
Beat the hell out of a Fla. Gar (12"), but left the breeding pair of blk. cons. I think this SOB had a bad case of "little mans disease" He was a total and complete A-Hole.
 
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