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Discussion Starter #1
I am thinking about getting a goldfish for my room. I always see goldfish bowls without any kind of filter, but I know that every fish tank I see has a filter. Do goldfish not need filters? Why not? Would a goldfish live longer if there is a filter in his tank or bowl? Thx, Rach
 

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You can put goldfish in a bowl without a filter, but where most people go wrong is that they overfeed their fish and don't change it's water. If I put a goldfish in a bowl, I would change 50% of it's water at least once a week and make sure it eats ALL of its food.
 

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dasmall1 said:
If I put a goldfish in a bowl, I would change 50% of it's water at least once a week and make sure it eats ALL of its food.
I thought that goldfish are notorious for eating themselves to death and their food intake should be limited? :?
 

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Exactly. Feeding is very important. If feeding it flakes, only feed about what it can eat in 1 1/2 minutes. You will eventually figure out exactly how much it can handle. Just make sure food doesn't sit on the bottom. The water changes take care of the fecal sitting on the bottom. Food creates ammonia and softer water, and fecal creates ammonia. Feed it 6 days a week. The one day of no feeding helps clear it's digestive system and prevents constipation which is very common in goldfish.
 

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Dasmall1, is there any type of fish that can clean waste off the bottom for you like how an algea eater cleans algea off the glass? I can't help but smirk just thinking of what such a fish would be called. I doubt it exists, but you never know.
 

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mjcolenc said:
I have my goldfish in a five gallon tank with a filter. It seems to be able to keep the tank cleaner.
I think I will get a filter then because I will enjoy my goldfish more if I can see him better :)
 

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I have a 10 gallon w/ goldfish in it. I have always ran filters it keeps it clean and a lot safer for the fish. I also think it helps with the lifespan of the fishes too.
For a bottom feeder ( is what you were asking right? ) Pleco's are great bottom feeders. But im assuming you will be having a small tank correct? If its small, like a 5 gallon or so, snails always work, like already said. I wouldnt reccomend a bowl for a goldfish though, because you wouldnt be able to really put a filter in a bowl. In this hobby always get the biggest tank you can afford. It helps in the long run

Nick :D
 

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you could always get a snail
I wouldn't get snails lest you know what will happened. Goldfish eating a lot also gives the snails a chance to explode their population.
This situation worsens as snails are rather hard to remove.
If I were you, stick with Malayan Trumpet Snails.
Avoid the ramshorn and common pond snails. Apple snails are also a good choice.

Malayan Trumpet Snails can eat detritus and dig in the substrate so this also prevents anaerobic spots if you are using sand.

Would a goldfish live longer if there is a filter in his tank or bowl?
For a fishbowl, only bettas are the good choice.

My advice on feeding is feed sparingly and vacuum the leftovers. Make sure they consume the food in 5 minutes. Vary the food menu as the fish gets different nutrients at that. Don't feed them on only one food. It's very useless as they never get to receive different nutrients.
What's more is that aritifical foods tend to have less vitamins in it. You might try the mosquito larva, daphnia, bloodworms and krills.
I'd go with frozen rather than live ones to reduce the chances of introducing pathogens.
 

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Yes, filter is needed. But you need to also add partial water changes.
10-15% water changes daily or every other day is never too bad.
 

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In freshwater I would have to agree with you, till I see it, But saltwater there is sort of.
 

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I find with gold fish an under gravel filter is adequate. Use one of those syphon gravel cleaners during water changes to collect the muck.

My four gold fish will clog up any other filters within a week.

Also, use a good food. Nasty pond sticks and flake food can cloud the water in a day. I like using frozen shrimp, blood worm, daphnia, etc.
 
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