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The basics: The proper levels of: food, temperature, water chemistry (pH, NO2, NO3, NH3, NH4, KH, GH, etc), light, other things. And possibly: companions, mate, hiding areas, caves, plants, rocks, many other things. Please note that these factors will vary from fish species to fish species, so do your research.

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17y ago

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Related Questions

Is your pond big enough to stock fish?

The basic rule for keeping any kind of fish is. 1 inch of fish needs a minimum of 1 gallon of water.


Do fish like tanks or river?

Fish do not have the capacity to make a deliberative choice. If they did, they would likely choose the tank to favor their basic biological needs of food and shelter.


Do you need an air filter in a small fish bowl?

The use of fish bowls is cruel. Because of ignorance and lack of knowledge it was an acceptable container for a fish to be kept in during the 18th and 19th centuries but in these enlightened days there is no excuse for not knowing how cruel it is to keep a fish in such a tiny container. The basic rules for keeping any kind of fish are :- 1 inch of fish needs a minimum of 1 gallon of water. Every tank needs a permanently running filter. :- Every tank needs to have at least 50% of its water changed every week. Fail to observe and keep any of those basic needs of fish and I can guarantee that it is only a matter of time before you have health problems with your fish.


I need a fish?

In that case I would suggest you get one but please follow the basic rules. . The basic rules are. 1 inch of fish needs at least 1 gallon of water.:- Every tank must have a permanently running cycled filter. Every tank needs at least 50% of its water replaced every week.


How mini fish in one gallon fish bowl?

Your Bowl is not suited to keeping a fish in. I advise you to use it as a vase. If you wish to keep a (some) fish successfully you will have to observe and comply with some absolute minimums that the basic rules of fish keeping stipulate. :- 1 inch of fish needs at least 1 gallon of water:- Every tank needs a properly cycled filter running permanently:- Every tank needs to have at least 50% of its water replaced every week. Anything less than the above will not work. The fish will get sick and die in a shorter or longer time depending upon how far out from the basic rules you go.


Why has your carp fish developed a red mouth and red spot on fin?

The fish is ulcerating because its water is foul. The Basic rules for keeping fish are. :- 1 inch of fish needs at least 1 gallon of water.:- Every fish tank needs a permanently running cycled filter. :'- Every fish tank needs to have at least 50% of its water changed every week. Fail in any of the above and I can guarantee you will always have sick or sickening fish. Observe the basics and you and your fish stand a chance of success.


Why do fish need airspace?

The fish do not need airspace as such. The surface of the water the fish is in needs air space for the transfer of gasses (in particular Ammonium and CO2 out and O in). The basic requirement is 6 square inches of surface area per inch of fish.


Can you give me some basic info on betta fish?

Basic info. They are tropical insectivores and need a temp around 75F and a cover over their tank because they also breath air (the air needs to be warm and moist). They can not be kept with other members of the same species without fighting. Their other requirements are the same as other fish ie 1" of fish needs 1 gallon of water.


Gallon per inch of a tropical fish?

1 inch of fish needs at least 1 gallon of water. Every tank needs a cycled filter running permanently. Every tank needs at least 50% of its water changed every week. They are the Basic Minimal requirements. Anything less and I can guarantee that your fish will be constantly getting sick.


What is the right size tank for a molly?

Mollys are community tropical fish and should be kept with others. That being said the basic rule for keeping any fish healthy is 1 inch of fish needs 1 gallon of water.


When you have fish die how do you take care of your tank 55 gal?

Please read the following basic rules of fish keeping and follow them. :- 1 inch of fish needs a minimum of 1 gallon of water. :- Every fish tank needs a continuously running cycled filter. :- Every fish tank needs at least 50% of its water replaced every week. If you follow the above rules you will have few problems keeping fish healthy. If you fail in any of them I can guarantee that your fish will constantly be getting sick and dying.


My Betta fish is not doing so good and i don't know why?

If you follow the basic rules of successfull fishkeeping the fish should do OK. The basic rules are. 1 inch of fish needs at least 1 gallon of water. (a Betta needs 3 gallons at least) :- Every tank needs to have a permanently running cycled filter. :- Every tank needs to have at least 50% of its water replaced every week. Bettas are tropical fish and need to be kept at around 78F. They should be fed morning and evening as much good quality tropical fish food as they can eat in 15 minutes. If you follow the above your fish should do OK. I can guarantee that if you miss out on any of the above your fish will constantly be getting sick and will not live a normal lifespan.