New fish to tank, and too much aggression.
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New fish to tank, and too much aggression.

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New fish to tank, and too much aggression.
Old 09-20-2011, 04:43 PM   #1
 
New fish to tank, and too much aggression.

Ok so I have a happy 10 gallon fish tank with 1 female betta (Emma), 5 neon tetra (Short Bus Gang), 1 Oto (Al), and 7 Ghost Shrimp (The Cleaners).
Ok so my tank has been established on Sept 8th. I have 4 live ferns. I forgot the names. Everything has been living just fine together, minus a few deaths of ghost shrimp, but they were too small from the start. So my fiancee and I went back to petsmart to find a dog but instead seen some gupies, and dalmatian mollys that she liked. Emma is has never been aggressive with any of the fish before. As soon as I put in the gupies she was a bit curious and chased them slightly but no hard was done. and she left them alone. I put in the male and female dalmatian's and the male went after Emma and hit her hard in the side. after that she just went nuts and started attacking all the other fish until I took out the dalmatians. Both the male and female dalmatians were chasing the other fish around. Were the molly's a bad choice? And how could I get them to be happy with the rest of the fish without any casulties?
I'm sorry but Emma is the favorite in the tank and we don't want to upset her too much.
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Old 09-21-2011, 12:02 PM   #2
 
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First, as you recently joined, welcome to Tropical Fish Keeping forum.

Now to your issue. I would suggest that your tank was fully stocked already, with the female Betta, 5 neons, oto and shrimp in a 10g. I would not add any more fish.

Aside from water quality issues, adding more fish in (to the fish) a very small space is likely to cause frustration. Fish need space. Studies have now proven that restricting the space can bring out increased aggression, or cause aggression in otherwise peaceful fish. It is their only way to "fight back" at something that frustrates them.

Another point, no mention is made of water parameters (hardness and pH) and you have (or had) fish that have quite different requirements. You can check these in our profiles, second tab from the left in the blue bar across the top of the page.

Byron.
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Old 09-21-2011, 12:20 PM   #3
 
Yeah I have to get a tester kit. One of the guppies died last night. It was the female who was one of the ones who got attacked by the Molly.
I also notice the water is pretty cloudy this morning. What could be happening to my tank? It was crystal clear up till this point.
Oh also is there any tester kits that petsmart would have that's resonably priced that would be good?
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Old 09-21-2011, 12:33 PM   #4
 
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The API liquid tests are very reliable; most of the members here use them. They make a Master Combo that includes pH, ammonia, nitrite and nitrate. These are the only tests you normally need, especially at the beginning of a new tank. API is available in most pet stores. Do not waste money on the (cheaper) test strips, they are not very reliable.

Cloudiness is likely bacteria due to the increased fish load. If ammonia (or nitrite) show in the test, a water change is indicated. A good water conditioner that detoxifies ammonia would be advisable at least during the initial period.

Byron.
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Old 09-21-2011, 12:44 PM   #5
 
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I agree with what Byron has said, and I know that API master test kit is available at my local petsmart. As Byron has said the strip tests are unrealiable. When I first started I was using that type and quickly changed over to the liquid test which I found was more realiable and accurate.
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Old 09-21-2011, 01:14 PM   #6
 
Awesome thanks. I know I am quite new at all these other fish types. I most only ever had just gold fish or bettas before. I do want to invest in a bigger tank. at least a 20 gallon tank. I would like to do some aquascaping in the bigger one. Our new dalmatian molly is pregnant, so we'll need more room for them. But as far as everything else goes. where is a good place to look up starting a new tank, like something with good specifics?
I would like to know the best kinds of ferns, mosses, substrates, rocks, decorations, and fish types to keep together. Then I'd also like to know if there is something with regular maintance stuff for tanks like mine, so I can keep them in the best shape for the plants and fish.
Eventually I'd like to breed, grow and sell my fish, and plants for more fish stuff. :D
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Old 09-21-2011, 01:28 PM   #7
 
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Hope you have plenty of space, meaning in your home, like for a fish room.

First thing is to decide on specific fish, and this depends on your water parameters. All fish are different when it comes to spawning, thinking of tank sizes, plants, substrate, etc.
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