GT aggro?

[franchise513]

So i picked up my green terror today and i put him in the tank with my big guys. He was the smallest fish in the tank. So i watched them for about an hour as he was getting acclimated, no problems. So i made sure i feed everyone except the green terror so there was no aggro towards the new guy. So i went down there today to check on everybody and to my suprise... My biggest CK about 5-6" was dead on the gravel, with a big chunk of his body missing.

I checked it and in the tank was a blue channel catfish, longnose gar and another ck for about a month together. And only yesterday i threw in the green terror. Well the chunk of the Ck that was missing was about the size of the mouth of the gt. So i took out the green terror and put him in an isolation tank.

What im wondering is, is this normal for green terrors? And i thought i had feed him but what do you normal feed yours? I picked up some cichlid staple and cichlid gold.

So any words of advice would help out a ton.

 

[TwistedPenguin]

I've got 2 Green Terrors in different tanks and that's not typical of my 2 at all. Mine leave everyone alone. They would fight with same-sex cichlids but there's none of those in the tank with either of them. He might've taken a chomp out of the CK after it was already dead. I'd suspect the catfish or gar long before I would the GT (in my opinion). I hope you've got a HUGE tank or plan on upgrading to a huge tank. GT's only get about 10" or so but those other fish you've got get way too big for most home aquariums.
My GT's eat anything and everything. BioGold for pellets plus, crickets, shrimp, earthworms, mussels, bloodworms.....I've never found anything they won't eat yet. Mine have tons of personality, great fish.

 

[cichlid2006]

my 6.5" gt was a big softie until a synodontis bit him and he retaliated with lethal force. i was sat watching it and i could not move fast enough to save the syno, a matter of a few secs to kill the syno but he was also a gentle giant with 2 uaru about 1" long and guarded them. firm but fair.
some are stone cold killers and others are all cuddly and fuzzy. it would appear he was either defending himself or he is one of the hannibal lector types.
but it is fairly normal.

i fed mine pellets (tetra prima but cichlid gold/staple are also very good)in the morning, swapped days between live crickets and algae wafers for lunch, bloodworm for tea time and algae wafers at lights out so my plec would get some. weekly 30-50% water changes.

 

[franchise513]

Ya i got those fish without alot of research, so im going to have to get rid of them when they outgrow the tank. but the gar 2 cks and catfish had been living for about a month now without any problems and the day after i put the gt in the tank one of the cks is dead

 

[Cichla dude]

I doubted that the GT killed your clown knife. It could have been the channel catfish or the Gar who killed your Clown Knife. Or It could have been the other clown knife. Some clown knifes will fight to death!
BAF

 

[cichlid2006]

I doubted that the GT killed your clown knife. It could have been the channel catfish or the Gar who killed your Clown Knife. Or It could have been the other clown knife. Some clown knifes will fight to death!
BAF

i dont know ck's as ive never owned them but you shouldnt count out the gt just yet. like Big Arowana says any one of your other fish are capable of killing and just because they have lived together for ages in harmony doesnt mean that the harmony will last forever. it could just be a terrible coincidence that it happened when the gt went in.
i would try the gt again and keep an eye on it for a few hours, now ive thought about it properly i doubt a newly introduced gt that is smaller than the other fish would straight out attack and kill an established fish larger than itself.

 

[Red_Terror]

Guys you can't Generalize with GT's. Is it a suam or an rivulatus? I have both and they both act differently. My Suam is slightly tame, but he also has a festae to keep him in line.

 

[nomadofthehills]

It depends on how they were raised. A GT raised in a tank of other monsters, low on the totem pole, is going to be a softie.

However, raise a GT as the dominant fish in the tank, and he will be pretty aggro.

 

[TwistedPenguin]

now ive thought about it properly i doubt a newly introduced gt that is smaller than the other fish would straight out attack and kill an established fish larger than itself.

Agreed. And just the act of adding another fish could've changed the dynamics between the resident fish just enough that 'someone' got a little too rough.

 

[cichlid2006]

It depends on how they were raised. A GT raised in a tank of other monsters, low on the totem pole, is going to be a softie.

However, raise a GT as the dominant fish in the tank, and he will be pretty aggro.

have to disagree. my gt was a softie with the other fish until a syno cat bit him. then he went back to being a softie with 2 uaru babies at 1". he was always the dominant fish in the tank but he was anything but aggro.