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In the wild, bettas usually live in small bodies of dirty or crowded water. They have developed an organ known as a 'labyrinth' that allows them to breathe atmospheric air. A betta can survive for a short time in a damp tissue because of this. They do not need their water aerated or kept crystal clear the way most fish do, and dislike the water movement created by filters. However, this does NOT mean they can be kept in small vases like many people do. The absolute minimum size container for a betta is 1/2 gallon (2 litres) and this will need a 100% water change every two days. Make sure the water is treated and the same temperature as the old water. Bettas also prefer decorations such as gravel and plastic plants, which make them feel more at home. In larger tanks, very low-flow filters (preferably bubblers) can be used but are not required.

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16y ago

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What kind of fresh water fish don't need a heater other than goldf fish?

It is best that all fish have a filter besides Betta fish. Betta fish don't need filters cause the filter pushes them over with their big fins. Goldfish should have a filter on there tank because they are often overfed. If you have a filter you won't have to change the water as often. The only fish that shouldn't have a filer in captivity are Betta fish.


What is the best family fish?

The best family fish is either a blue geromie, a betta, or a guppie, or a gold fish. None of these fish need a filter.


Can a Betta fish live in a filtered tank?

Goldfish dont have to have a filter but they need water conditioner like all fish.Fish can survive without a filter but they are always good to have because you dont have to clean it out as often


How much room does a betta fish need?

For the best health and lifespan of a betta, you should consider something that is at least 2.5 to 5 gallons and can have a small heater (bettas need a water temp of 78F to 80F), and a low flowing filter on it whether that be a small internal filter, or a small HOB (Hang On Back).


Can a betta fish live in drinking water?

yes but you have to have a filter.


Why do female betta fish need a male betta fish to give birth?

yes


Can a sucker fish live with a betta fish?

Likely yes. Most sucker fish need a filter and heater though, and most betta's are housed without these things.


Do betta fish need filters or heaters?

Betta fish do not enjoy currents that come from filters. You could put in a filter but I would recommend not to. Also, Heaters are unnecessary as long as you keep the water 70-80 degrees.


Should i get a goldfish or a betta fish?

That is entirely up to you. Whichever fish you get you will need similar things. The differences are. A Goldfish is a coldwater fish. It will need a larger tank and filter than a Betta because it grows into a much larger fish (around 10 inches). A Betta is a tropical fish and so it will need a heater as well as a filter. The same basic rules apply. The basic rules of sucessfull fishkeeping are. :- 1 inch of fish must have at least 1 gallon of water. (Goldfish 10 gallons. Betta 3 gallons):- Every tank must have a permanently running 'cycled' filter. :- Every tank must have at least 50% of its water replaced every week. If you keep the above rules your fish can do well. If you fail in the above I can guarantee that your fish will get sick and die way before they should.


How long can a betta fish live without a filter in its tank?

A betta fish can typically live without a filter in its tank for about 2-3 days, but it is important to regularly change the water to maintain good water quality and ensure the fish's health and well-being.


How long can betta fish live without a filter in their tank?

Betta fish can typically live for about 2-3 days without a filter in their tank, but it is important to provide them with clean water and regular water changes to ensure their health and well-being.


Is it bad to filter betta fish water?

No it's not a bad thing, as long as the filter is not too strong. If the filter is too strong it could make it difficult for the fish to swim around. It is also not usually necessary to use a filter with a betta, as long as the water is changed about once weekly. A filter would probably lengthen this time, but would NOT eliminate it.