Looking for an aggressive fish.
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Looking for an aggressive fish.

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Looking for an aggressive fish.
Old 02-25-2012, 08:10 PM   #1
 
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Looking for an aggressive fish.

I started cycling another 55 gallon aquarium a few days ago. I am doing the shrimp method, I threw 3 large raw shrimp in the tank with the filter going. I am guessing it will take about a month to cycle, does this sound right?

Anyways, my original plan was to put a red belly piranha in there, maybe two or three if they are small juveniles.

Looking around, I was wondering what my other options for aggressive fish might be.

I have found that the following may be interesting options:

Black Piranha
Red Belly Piranha
Piraya Piranha
Red Devil Cichlid
Rhom


I am leaning towards getting a few little Red Bellies, as I have heard they are fun to watch grow and can be pretty aggressive.

Any suggestions? After reading I find that the tank would probably be too small for the Red Devil and Piraya.

Last edited by Adamson; 02-25-2012 at 08:13 PM..
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Old 02-25-2012, 08:15 PM   #2
 
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Recently I just met an elecrtic eel. I got love him, though, he looks pretty relaxed, but when they disturb him... heheh. Also he is a predator, but if you chose him, take care, his shock can be deadly even for a human!
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Old 02-25-2012, 08:18 PM   #3
 
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Originally Posted by 4shi View Post
Recently I just met an elecrtic eel. I got love him, though, he looks pretty relaxed, but when they disturb him... heheh. Also he is a predator, but if you chose him, take care, his shock can be deadly even for a human!
You have one in your tank? I think they need like a 500 gallon tank..
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Old 02-25-2012, 08:25 PM   #4
 
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Electric eels should NOT be kept by anyone without an awful lot of experience in fish keeping.
A baby electric eel gives enough of a shock to severely injure a grown human. Touching an adult one...well lights out, it delivers a 600v shock which is enough to instantly stop your heart.

Your tank is too small for Piranha, they need a 125g+ tank and like to live in groups. They are also banned in the home aquarium in 20 states in USA and carry a very heavy fine if you have one in a state covered by the ban.

Red Devil cichlid is the only fish on your list capable of being kept in a 55g tank, providing it is a 48" tank.

Last edited by Tazman; 02-25-2012 at 08:36 PM..
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Old 02-25-2012, 08:35 PM   #5
 
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Quote:
Originally Posted by Adamson View Post
You have one in your tank? I think they need like a 500 gallon tank..
Haha, no, I have only small and peaceful fishes:) I just met someone, who had one.
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Old 02-26-2012, 09:39 PM   #6
 
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I think that the 55 gallon would be okay for 3-5 quarter sized Red Belly Piranhas, I know they grow fast but this tank should be okay for them. I have a filter that is suitable for a 75 gallon tank, and I will have another filter for the extra bioload. Actual size-wise if they get too big I will trade them into the LFS.

Would you folks recommend a Red Devil?
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Old 02-26-2012, 09:46 PM   #7
 
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It is not about IF they get too big, it is they WILL get too big.

That is not the best idea to purchase a fish because you like it and then take it back when it becomes too large.
If you purchase a fish, you would want to keep it in a suitable environment for its life.
You cannot take babies back if they become too big, why should it be any different for fish?

As I previously mentioned in a post, provided the tank is 48" long then 1 red devil would be suitable for your tank. If it is not 48" long then it will not be suitable.
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Old 02-26-2012, 10:05 PM   #8
 
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I agree with the above in that a 55 is too small for Piranha. They prefer to be in a group so would not do well with just a few. Also if they are illegal in your state, how are you going to get rid of them when they grow bigger ? Throw them in your local lake ?.......thats one of the reasons they are banned from 23 states .

Im not sure even a RD would be suitable in a 55 gallon, i have a 12" in a 75 gallon and to me it seems too small to house him. I would go for a Jack Dempsey or some convicts.
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Old 02-26-2012, 10:10 PM   #9
 
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Quote:
Originally Posted by Adamson View Post
I started cycling another 55 gallon aquarium a few days ago. I am doing the shrimp method, I threw 3 large raw shrimp in the tank with the filter going. I am guessing it will take about a month to cycle, does this sound right?

Anyways, my original plan was to put a red belly piranha in there, maybe two or three if they are small juveniles.

Looking around, I was wondering what my other options for aggressive fish might be.

I have found that the following may be interesting options:

Black Piranha
Red Belly Piranha
Piraya Piranha
Red Devil Cichlid
Rhom


I am leaning towards getting a few little Red Bellies, as I have heard they are fun to watch grow and can be pretty aggressive.

Any suggestions? After reading I find that the tank would probably be too small for the Red Devil and Piraya.
I would get more than 3 piranha. I think they seem to work better in larger packs (although more expensive to feed). One of my mothers friends kept 2 red bellies and one eventually ate the other one. It was about a 50-70 (coulg have been bigger...i dunno it was a tall tank) I forgot I was a while ago (it was a hexagonal tank- beautiful). She ended up giving it away to the pet store because of a power outage (it would have died if she didn't...sad)

Thats about all I know man. As long as you keep them fed, they look awesome. The local Super pet has a tnak of about 6-8 piranhe (i forgot exacltly how many) I can take a video for you and ask them about the piranha :)

Last edited by Termato; 02-26-2012 at 10:12 PM..
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Old 02-26-2012, 10:13 PM   #10
 
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Quote:
Originally Posted by stevenjohn21 View Post
I agree with the above in that a 55 is too small for Piranha. They prefer to be in a group so would not do well with just a few. Also if they are illegal in your state, how are you going to get rid of them when they grow bigger ? Throw them in your local lake ?.......thats one of the reasons they are banned from 23 states .

Im not sure even a RD would be suitable in a 55 gallon, i have a 12" in a 75 gallon and to me it seems too small to house him. I would go for a Jack Dempsey or some convicts.
I wouldn't have even brought it up if it was illegal in my state. I live in Minnesota and it is perfectly fine.. I will check out the Jack Dempsey profile.
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