A fish pond is defined as an artificial lake, a reservoir or a controlled pond that is typically stocked with a specific species of fish or mixed species. The various uses and purposes of fish ponds are for fish farming used in aquaculture, for recreational fishing, or as an ornamental structure. As what its name specifies, a koi pond is a type of pond used for holding a variety of koi fish, while some are built as a decoration or part of a landscape. The architecture and the designs used for koi ponds should create great effects and should help in promoting the health and growth of koi fish. The components of a koi pond includes the mechanical filter, which functions by trapping and preventing any trap solids from clogging the biological filter; the biological filter, which functions by converting the nitrogenous wastes of the fish; the skimmer, which functions by allowing the water to be drawn from the surface of the pond; the water pumps, which functions by moving the water in a recirculating manner; the air pumps, which functions by increasing the dissolved oxygen; the ultraviolet light, which functions by making the algae flocculate so that they can be easily removed by mechanical filtration; and the bottom drain, which functions by allowing the heavy solids to be carried to the mechanical filter.
A koi fish, which can also be called as Japanese ornamental carp or nishikigoi, is described as an ornamental varieties of common carp that are domesticated and kept as decorations in outdoor water structures. Koi fish can be distinguished by their patterning, scalation, and coloration, and some of their common colors are blue, red, white, black, cream, and yellow. There are a lot of ways that can be practiced or made by the people who wishes or plans to raise and care koi fishes, and the best ways for that includes checking out some blog post published by the people that contains such helpful topics in the internet, through the help of koi experts, or through the help or teachings of your colleagues and friends that has the experience in handling such kind of fish. A certain blog post that can be found on the internet that contains helpful and useful information about handling koi fishes is the one entitled as How to Pond and Care for Koi Fish, and the three tips given by the writer or author of the said post includes moving the koi fish may require water conditioner, keeping all changes slow and gradual for koi require stability in their environment, and lastly is preventing the koi pond to be overcrowded. The author has also included in their blog post that the koi fish should only be fed once during normal to cool weather condition, but during hot seasons, koi fish needs to be fed three times a day.