4 Goldfish Videos

Goldfish is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have become an invasive pest in parts of North America.
Prussian carp, from which goldfish were domesticated, are traditionally a dull, gray-green hue. But mutations and breeding over the years created goldfish' signature orange, red, and yellow pigments found in the over a hundred varieties of the fish today. Goldfish first arrived in Europe in the 1600s and the United States in the 1800s, becoming what is likely the first foreign fish species introduced to North America
Goldfish have two sets of paired fins and three sets of single fins. They don’t have barbels, sensory organs some fish have that act like taste buds. Nor do they have scales on their heads. They also don’t have teeth and instead crush their food in their throats.
The fish are known for having large eyes and great senses of smell and hearing. Their ability to hear comes from small bones near their skull that link their swim bladder and their inner ear.
If you feel like a challenge, try counting the number of scales on a goldfish. It should have between 25 and 31. Then, estimate its length. According to the Guinness Book of World Records, the world’s longest pet goldfish is 18.7 inches and is owned by a man in the Netherlands.
In the wild
Goldfish go from cute to villainous when released into the wild. They’re known to carry disease and parasites, as well as breed with wild carp in the area.
Between 3,000 and 4,000 goldfish were discovered in a lake near Boulder, Colorado, in 2015, and researchers have even found large goldfish in Lake Tahoe.
The fish’s size is usually constrained by the size of its tank. But with enough food, proper water temperatures, and ample room to roam, goldfish can balloon.
People around the world occasionally pull in monster goldfish, a far cry from the miniature versions we’re accustomed to. A British teen caught a whopping five-pounder in 2010, and a fisherman on Michigan’s Lake St. Clair snagged a three-pounder in 2013.
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