What is the meanest fish you've owned?

[jakeroberts]

my nastyest fish would have top be my silver perch he killed my ruby red peacock(african cichlid)

 

[steelhealr]

It's not a fish but my cobalt blue lobster....fast....decisive....deadly. In a fraction of a second, it nailed my German ram drew it in and had shaved down it's tail to almost nothing. By the time I could get it away from it, it was dead...with a terrible shocked look in it's eye. They belong in a species tank. SH

 

[Butch]

Yellow Bullhead catfish murdered lots of fishes, no matter how big the tankmates are..

Goodeids and gambusia likes to chewing on the tails of other fishes, even the Kenyi cichlids.

Crayfish likes to ripping the fishes apart....

 

[Mikaila31]

My female swordtails , for some reason I attract aggressive female swords. I have two really dominate females, that would rather kill each other than be kept in the same tank. They are always chasing the other swords around. I'm trying too breed both of these fish right now, its not going too well . All my males are wimps . All they are doing is hiding from these girls, they won't approach them at all.

Here is a video of a dominance battle between my two girls that had a blood feud going. Both have like a 5" personal bubble that no other sword can enter. I ironically named the red one Lady .

 

[rossyt99]

It's not a fish but my cobalt blue lobster....fast....decisive....deadly. In a fraction of a second, it nailed my German ram drew it in and had shaved down it's tail to almost nothing. By the time I could get it away from it, it was dead...with a terrible shocked look in it's eye. They belong in a species tank. SH

Yep, I had to house a mates one as it had took out his silver sharks (3in.)Neons and Dwarf Gourami over-night.

The day before I warned him about them, as another mate had his 6inch Plec chopped in half by his!

Anyway> the Lobster is back at Lfs now.

 

[rossyt99]

My most aggressive fish in past were a Breeding pair of Jewel Cichlids (as mentioned by another, when this thread started in 2004)
They literally had all other Cichlids pinned in corners of tank> Subsequently bought a bigger tank to house those terrorised fish!

Breeding Convicts were also pretty mean, and my big Oscar wouldn't tolerate anything other than Plec.

A 'Three-Spot Gourami' was very troublesome, but nothing compared to those Cichlids.

 

[littlest]

A sparkling gourami who decided an ornament in the middle of the tank was his. He spent his whole time at the "entrance" to the ornament and anytime another sparkler or amano shrimp went anywhere near it he'd swim out real quick and attack them, before returning to his guarding spot.

 

[Arfie]

I once rescued some fish that were about to be flushed, I only intended keeping them for a couple of days max anyway, but a pair of convicts and a RTBS in a 10 gallon tank was mayhem.

I kept the RTBS and it's grumpy, but the other fish just ignore it The convicts were just nasty *******s

Arfie

 

[FeroX]

exodon paradoxus. Never had them in a community tank, but they harass the HELL out of eachother and when they were in the LFS they would peck at fully-grown red breasted piranha and back them in corners, and there were always more piranha than exodons.

Buttikoferi aka butt-kickers are also up there, as CFC said. I'm pretty sure my old old old one buried a few of my fish alive by making enormous MOUNDS of gravel in the tank, only for me to put the gravel back nicely and find fish carcasses =\

 

[Gonze]

A brown puffer or a leaf fish. Currently my meanest is an african butterfly fish or craayfish.

 

[Mr._Fishy]

For me definitely a Papyrocranus afer. Not only is it by far the most aggressive fish I ever had, it grows huge. I bought one for my friend as he wanted one and he wasn't quite ready for it when the opportunity arose (they aren't frequently seen where I live). Overnight the 7" fish killed a raphael, a JD, and a GT. Needless to say the remaining tankmates (all were beaten up to some extent) were quickly taken out.

Ryan

 

[chibi]

I bought a paradisefish for my tank and he killed 3 guppies, so I moved him into my brother's tank. Meanest I've ever kept.

 

[FeroX]

A brown puffer or a leaf fish. Currently my meanest is an african butterfly fish or craayfish.

I don't possibly see how a leaf fish could be "mean" aka aggressive. That's my definition of "mean" anyway, not one that gobbles up any tiny fish. Leaf fish are designed the way they are for a reason: evasion, deceit, and to hide. They don't go about picking fights with fish lol. If by "mean" you mean ate a load of small fish, I have to protest, as that's simply in their nature...

We have to make sure by "mean" we're talking about actual fish that are pricks, not just predators acting normally.


Sorry for the rant, nothing personal, I just love leaf fish !

 

[magicd]

I think it was my Zebra Danio. I have a Blue Ram and the Zebra is still more agressive haha.

 

[invader]

exodon paradoxus. Never had them in a community tank, but they harass the HELL out of eachother and when they were in the LFS they would peck at fully-grown red breasted piranha and back them in corners, and there were always more piranha than exodons.

Exos are practically piranhas in their own right. I wouldn't house them with anything that couldn't handle itself.

The meanest thing I've ever owned has to be a midas cichlid WAY back in the day. I actually wish I still had that fish sometimes... The coloration was a lot like cheesy_feet's parrot.