The proper maintenance of the aquarium is important. Partial water changes with a good siphon is essential to get any inorganic matter or debris left on the gravel bed. A fish hobbyist must realize the importance of good nutrition to a fishes diet. These fish should be fed several small portions of a wide variety of fish foods a day for proper development. Bloodworms, tubifex worms, brine shrimp, flake foods, shrimp pellets are just a few of the many choices to feed fish.
Some fish require special plant diets or live food diets so make sure the correct food is fed.
This has been a basic overview of fish keeping. Continuing education through books and magazines is recommended. Unless you are familiar with the different diseases common to many aquarium fish it is recommended to let an experienced professional assist you in determining what the problem is. Most locally owned pet shops will be able to give fairly accurate information. Charcoal and carbon absorb medicines.