Comet (goldfish): A goldfish variety developed in 1880 by Hugo Mulertt, and has become one of the best selling aquarium fish since.Carassius: Add brief definition or description.Cyprinidae: Add brief definition or description.Cyprinioidea: Add brief definition or description.Cypriniformes: Add brief definition or description.Ostariophysi: Add brief definition or description.Teleostei: Add brief definition or description.Neopterygii: Add brief definition or description.Actinopterygii: Add brief definition or description.Osteichthyes: Add brief definition or description.Chordata: Add brief definition or description.Organism: An individual living individual: a complex, adaptive physical system that acts a integrated unit that sustains metabolism and reproduces progeny that resemble it.Animal: A multicellular organism that feeds on other organisms, and is distinguished from plants, fungi, and unicellular organisms.Fish: Any aquatic vertebrate animal that is typically ectothermic (or cold-blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins.Needless to say they require a very efficient filtration system to cope with this. Goldfish are noted for being messy, greedy feeders that produce a lot of waste. ![]() Generally speaking a goldfish should be placed no more than nine inches of fish (two four-and-a-half inch fish, or one nine inch fish) per 10 gallons of water. When this happens the internal organs do not stop growing, causing a painful, stunted death for the fish. However, if placed in an aquarium that is too small, the goldfish will stop growing when it runs out of room. They are generally peaceful, and can grow up to two feet long. In the aquarium the goldfish will inhabit the middle and lower levels, and eats flakes, vegetation, live foods, and bloodworms. The goldfish's first recorded breeding in Europe took place in Holland in 1728, but in its native China it has been domesticated since around the 11th century AD. The wild form of this fish is the dull green to brown Prussian Carp, with little to recommend it as a potential aquarium fish, but a mutation occurred which developed lovely gold patches on the body which eventually turned the whole fish gold. Kept by man since the 11 th century, Carassius auratus (the goldfish) is probably the best known of all aquarium or pond fish. At spawning time the male develops small white spots Females usually appear plumper when they are viewed from above. Dorsal and anal fins are relatively long based, and the caudal fin is forked and stiffly held. ![]() Young fish may be greenish bronze, changing to adult coloration after about one year. Traditionally, the body color of the Goldfish is metallic red-orange with matching fins.
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