Pound for Pound toughest fish?

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The common wolf fish imo. The one I use to own was the meanest damn thing I ever saw in my life, and he hit hard.
If not I would have to say a Rom
 
1 fish that seems to have slipped the mind of every MFK'er......... HOPLIAS AIMARA...
no contest! as mean as a fish can get
 
my brandtii.. i dare someone to put there 8" fish in with him.. you'll have no more fish.. remember its pound for pound, which means its by weight not by full grown potential..
 
No question it would be a Wallagu Attu, otherwise known as a man eating catfish. At 6 feet I doubt any freshwater fish can take it, but even a 12" can kick some serious fish ass!!!
 
this forum is based on peoples views so i doubt that there will be a clear winner. most fish people are saying are 1'+ so i wonder why no small fish have been said.
if you think about it most small fish would also be able to do alot of damage for example a congo tetra at 2' would have teeth about 3"long and would be able to do coniderable damage to most fish at that size.another small fish what would be dangerous would be canderu catfish, one a eposode of amazon abbays a shoal of canderu catfish demolishe a tiger shovel nose catfish.i would have to say this forum is also centerd on fish people like, so i consider it unfair and strange speculations are being made. overall the fish i would choose would be a nurse shark(massive bight force) or one of the 'people eater' catfish such as that of thee wallago genus.
 
if you look at it at pound for pound, you should consider smaller fish that would otherwise be overlooked, considering suggestions of huge fish being mentioned. Something small like Neets for example, have tons of aggression
 
Cichlid fanatic;1524565; said:
Red belly piranha. If they havent had any food for a week game over. I'd say a great white if this was a SW topic

i knew someone who had 4 RBP in w/ a larger SH and the the SH was stripped to the bone over night.
also i can't believe oscars mentioned then a lot of other cichlids. they should be near the bottom as killers. my 13'' oscar will try and bite me, but never stood a chance against my 5'' con and 7'' texas.
as far as cichlids that aren't listed on here i would say these are pretty damn agressive fish:
salvini
red terror
cuban
midas
trimac
texas
and a lot of african cichlids.
my texas is trying to bite me from the other side of the room as i type :ROFL:

what about cichlid breeding agression? i think that is pretty hard to match. you don't even need pairs for that.
 
sevendreamz;1912606; said:
As far as agressive Cichlids, Oscars rank pretty LOW....check out a territorial male Dovii, Umbee, or etc....TRUE MONSTERS....

Yeah, oscars are very low in the aggression totem pole. Even small Central American species like convicts are more aggressive. Definitely Buttis, Dovii, Umbies, Jags, etc would be among the most aggressive (excluding smaller species that are nontheless aggressive)
 
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