Did you let them float, before putting them in the tank? Change in temperature can cause shock, which can kill them. Take the dead fish back to the store (most have a 2-week return policy), and take a sample of your water, for testing.
2006-12-19 13:20:32
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answer #1
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answered by Anonymous
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There are many possible reasons, and here they are:
1. Is the tank new? When you start a fish tank you should fill it with everything you want in it, except the fish, add live bacteria (you can buy it in any pet department) and let the tank run for a minimum of two weeks before adding the fish - this will get the water and filter components stocked with the bacteria that the fish will need to survive.
2. Did you notice little white spots on the corpses of the dead fish? If you did, then they had "Ick" a very common fish disease, especially from mass market fish that you get in Walmart or other stores that do not have adequate filtration in their pet departments. To get rid of Ick, completely clean everything in your tank, drain it, refill it, follow step 1 above and add Ick treatment to the water.
3. Did you let them get used to the water temperature before adding them to the tank? Let the bag float in the water unopened for at least 15 - 20 miutes before releasing them into the tank.
4. Are you giving them the right kind of food? If they are tropical fish make sure you are not giving them food for saltwater fish and so on.
5. What kind of filtration do you have? Your filter should have at least two, if not all of these components, a sponge to filter out large particles, carbon to filter out smaller particles and minerals, and a bag or section of marbles or lava rock that the bacteria can adhere to (fish need bacteria to survive).
6. What temperature is the water? Most fish need a water temp of 74 to 80 degrees.
7. How often do you clean? If the water is too clean the fish will die, as mentioned above they need certain bacteria to survive.
8. When you clean the filter, how do you do it? It is best to alternate what parts of the filtration system you clean because cleaning the entire system at once kills off the good bacteria I have talked about so much. Clean the sponge one week, the charcoal(or carbon) the next, or replace them at alternating times, this will give the bacteria a chance to repopulate instead of being destroyed and starting from scratch.
9. Is there enough oxygen? Try adding a bubbler to the tank to increase the oxygen level.
10. Why 10 fish at once? Start small, with one or two and build up from there, gradually introducing more fish until you get the amount your tank can handle. For small fish, 1 fish per two gallons of water, for larger fish 1 fish per 5 gallons.
Good luck, I hope I didn't ramble on too long.
2006-12-19 13:39:01
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answer #2
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answered by warriorclan 2
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First is your tank cycled yet? A tank requires about 4-6 weeks to get all of the beneficial bacteria needed to breakdown fish wastes.
Typically most people will only get 1 or 2 fish to start and add fish only after the tank has cycled.
You don't mention anything about your tank size, temperature, how long it's been set up with water, what type of filtration, etc. Give us that information and we can try to figure out what is happening.
2006-12-19 13:31:55
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answer #3
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answered by Anonymous
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Buy plastic fish.
You are putting too many fish into the tank and causing them to go into shock. You probably have them in a very small tank too. Do a big water change, give your tank a week to adjust and try putting in one or two.
The biggest mistakes amatuer fish keepers make is trying to put too much too soon into too small of a tank.
Go get a book on fish care and you probably want to buy something to restrain your brother from buying fish.
2006-12-19 21:32:39
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answer #4
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answered by fishinchick69 2
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You should cycle the tank for 3 weeks. You should float them for 15 minutes in the water. You need a tank setup with a heater and filter. You should also not introduce so many at one time.
2006-12-19 13:43:48
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answer #5
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answered by None N 3
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Did you cycle the tank? You need to cycle it to get beneficial bacteria that kills toxic ammonia and nitrites. The fish probably died of ammonia poisoning. Do a search on the nitrogen cycle and find out how to cycle it.
2006-12-19 19:21:49
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answer #6
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answered by fish guy 5
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before you just plop them in you have to aclamate them to the water temp in the tank. let the bag float for about 20 min.
if you already did that take the fish back to the store and don't buy them there again. they may be sick and you don't want to get their sickness into your tank.
2006-12-19 13:23:48
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answer #7
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answered by Anonymous
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take the fish back to the store. You may have thrown them into shock. Its best to place the bag that they came in the hte tank for one hour before release.
2006-12-19 13:26:24
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answer #8
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answered by Mary C 2
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Did you dechlorinate the water? Did you add "stress coat"? I would recomoned getting a dechlorinatetor and adding stress coat. I would also recommened bettas as starter pets.
2006-12-19 13:24:08
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answer #9
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answered by I love Dennis Moore 4
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how big was the bowl? If there r lot of fishes in one bowl and there is no room in the bowl its not enough room for the fishy to breath so that why. Start out with beta fish note; do not put beta fish together! They will kill each other they are Siamese fighting fish and they are really pretty and come in different colors
2006-12-19 13:53:23
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answer #10
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answered by fire.kisser 2
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