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.
Goldfish need the basic necessities of life, and then some.
They need a tank that best suits them, so 20 gallons for one fancy goldfish plus 10 gallons for each additional fish (30 gallons for 2 fish) no matter how small & cute they look when you first get them.
In addition, you need to change at least 50% of their water each week to keep the water quality as best as possible; make sure that you test it for ammonia, nitrites, and nitrates regularly, and monitor the PH, Test kits are available at most pet stores.
They also need to be fed at least twice per day with only as much as they can eat in about 2 minutes. Goldfish are easy to overfeed because they can behave as though they are constantly hungry, but they should not be over-fed.
As a general rule, different species of fish need different sets of water parameters. Some need cool water (Goldfish need around 60F to 65F) Some need warm water (Discus need around 80F to 85F) Some need acid water (Discus around pH5.8 to pH 6.5). Some need neutral to alkaline water (Goldfish around pH7 to pH7.5). Then there are the hardness requirements too. The only way to be successfull keeping fish is to research and know exactly the water parameter requirements of the species of fish you wish to keep and then provide them.
It needs to have clean water and to be fed. The way to keep the water fit for a fish to live in follows. The basic rules for keeping any fish successfully are as follows. 1 inch of fish must have at least 1 gallon of water. Every tank must have a permanently running 'cycled' filter. Every tank must have at least 50% of its water replaced every week. If you follow the above the fish stand a chance. If you don't, then I can guarantee that the fish will not last long.
You need a filter, a heater, a thermometer, and lots of hiding places.
water lol! it depends on whatkind of fish.
betta fish are pretty easy to take care of. water small tank, a plant and a light. and betta food
The basic rule for keeping any kind of fish is. 1 inch of fish needs a minimum of 1 gallon of water.
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.
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.
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.
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.
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.
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.
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.
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.
Many people do not have their basic needs.
yes farming is a good business to get in because it is one of the income earning source for the fullfillment of basic needs.
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.