There are many types of home ornamental fish, which are categorized into cold water and tropical fish. Tropical fish are further divided into freshwater and saltwater fish. The representatives of cold water fish are goldfish and koi. The representatives of freshwater tropical fish are blood parrot fish and peacock fish. The most famous saltwater tropical fish is the clownfish.
The goldfish, which originated in China and is also known as the golden carp, resembles the carp but it has no mouth whiskers, and is an ornamental fish that evolved from the crucian carp. There are many varieties of goldfish, the color has red, orange, purple, blue, ink, silver and white, five flowers, etc., is divided into four strains of Wen species, grass species, dragon species, egg species. In the 12th century has begun the genetic research of goldfish domestication, after a long time cultivation, varieties continue to optimize, now the world's goldfish are directly or indirectly introduced by China.
Koi belongs to the carp family in biology, which is the largest family of all fish species, with more than 1,400 species. It is a high-grade ornamental fish that is popular in the world today, and is known as a "living gem in the water" and "swimming work of art". Because it does not require high water quality, has a varied diet and is easy to reproduce, it has been praised and loved by people. Koi is beautiful, colorful, patterned, and with a majestic swimming posture, it has a very high ornamental and breeding value. Its body length can reach 1-1.5 meters.
The blood parrot is commonly known as the red god of wealth, god of wealth fish. Its whole body bright red, with a chubby body shape and soft fins, the color red, very pleasing, adult body length 15-20 cm, the body vice wide and thick, the body is oval. Juveniles are grayish in color and adults are bloated and pink or blood red. Blood parrots are strong and robust and will eat almost anything, like artificial baits, flakes, pellets, red worms, plumpy shrimps, water lice, and more. Because of their wide range of diet and always eating, and because they are very adaptable to water quality, it's easy to keep them alive.
The peacock fish, also known as peacock killifish, rainbow killifish, some parts of northeastern China called the "anchovy", "torch", is killifish suborder, killifish, killifish family, killifish genus of a tropical fish, the difficulty of feeding is low. Native to South America, Venezuela, Barbados, northern Brazil and Guyana, peacock fish colorful, beautiful and natural body shape, loved by people. The peacockfish is found in the lower reaches of rivers in some tropical regions, and its wild habitat is diversified, mainly in freshwater basins and lakes and marshes. The peacockfish has a strong reproductive ability and can tolerate polluted waters, and is known as the "Million Dollar Fish". The peacockfish has a mild temperament and can be mixed with mild and medium-sized tropical fish. It is usually active and has a lifespan of about 1~2 years. Purebred peacockfish are divided into five strains - grass-tail, serpentine, mosaic, dress, platinum, and many independent types - Japanese blue, mikarif, rajuli, etc. The peacockfish is an omnivorous small fish, and can be mixed with small and medium-sized tropical fish. Peacockfish is an omnivorous small fish species, with an adult body length of 3-5 centimeters. Due to its strong adaptability to the environment, the peacockfish can be found almost everywhere in the world at present. Its rich colors, colorful shapes and exuberant reproduction are favored by tropical freshwater fish keepers.
The clownfish is the common name for a subfamily of anemone fish in the family Sparidae, a tropical saltwater fish. There are 28 known species, one from the genus Spiny-cheeked Sparrowfish and the rest from the genus Bisawfish. The anemone with poisonous spines protects the clownfish, while the anemone eats the digested remains of the clownfish, forming a mutually beneficial ****bio-relationship. The maximum body length of the clownfish is 11 cm. total number of dorsal spines 10-12; total number of dorsal cartilages 4-16; total number of anal spines 2; total number of anal-fin cartilages 14-15. juveniles are black with scales centered in blue; white patches on the forehead and upper flanks; all fins are black except for the transparent pectoral fins and the soft dorsal-fin cartilages on the outer portion of the pectoral fins. Adults variable in geographic and behavioral coloration.
(This article was contributed by Baidu Knowledge)