Lipids, or fats, should constitute 5-10% of their diet to ensure that they don’t suffer from stunted growth or deformities. If fed too many carbohydrates, goldfish are known to develop liver degeneration. 10 to 20% of their diet should be composed of carbohydrates like shelled peas, unrefined cereals like plain Cheerios, raspberries, and citrus fruits. During the first year or so of their life when they’re growing fairly quickly, increase protein to around 45%.įor the first month when growth is most rapid, protein can be as high as 60-70%. Protein should make up between 35 and 40% of their diet and can consist of things like bloodworms, brine shrimp, soybean meal, and any insects that may be naturally present in your pond. The diet of comet goldfish is the same as most other goldfish. Some may grow half an inch per month, others an inch, and others maybe only a quarter of an inch.Ĭomet Goldfish Feeding & Nutrition – What’s the Best Food?
#COMET GOLDFISH SIZE FULL SIZE#
In the first month of their life, they’ll increase their size by 50 to 100% each week, typically reaching full size by around 3 or 4 years of age.Īfter their first month, growth rates vary significantly, again depending on water quality, space, and diet. They commonly reach up to a foot in length, give or take a few inches depending upon genetics, the size of the pond, and diet. In an aquarium with less space, activity, and resources such as plants and other forms of stimulus, they will likely live closer to 5 years or less.
If environmental conditions are right and comets are fed a nutritious diet, they can live up to 15 years.
#COMET GOLDFISH SIZE LICENSE#
This work is licensed under a Creative Commons Attribution 2.0 Generic License Quite a hardy fish that is tolerant of both warm and cool waters, comets make a wonderful, easy to care for addition to any pond.Ĭomet Goldfish Maximum Lifespan & Size A orange comet goldfish. They are happiest in ponds, as they are very active, playful fish that enjoy racing about and having plenty of space. They can be calico, but are unique in that their calico coloring isn’t the typical black and white, but rather red and white. Comets specifically were bred in the United States somewhere around the late 1800’s.Ĭomets can be red, yellow, white, silver, orange, and just about anything in-between and any combination of these colors. Carp and goldfish belong to the same family, Cyprinidae, evolving from a common ancestor that they both branched off from into separate genera long ago.
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Specifically, studies have found that all current 300 domesticated goldfish breeds originated from a single domestication event that occurred within the incredibly biodiverse Yangtze River Basin in central China. Like all other goldfish, they are related to carp but actually descended from wild goldfish hundreds of years ago. The comet goldfish (Carassius auratus) is a variant of the common goldfish, distinguishable by its slightly smaller, thinner body and flowing, forked tail. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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