Goldfish (Carassius auratus), ornamental aquarium and pond fish of the carp family native to East Asia but introduced into many other areas. The goldfish resembles the carp but differs from its relative in having no mouth barbels.
The goldfish is naturally greenish-brown or gray. The species, however, is variable, and numerous abnormalities occur.
A deviant fish may be black, spotted, golden, white, or white with silver; it may have a trilobed tail fin or protruding eyes; or it may lack the normally long dorsal fin.
Centuries of selecting out and breeding such abnormal specimens have produced over 125 breeds of goldfish, including the common, pet-shop comet; the veiltail, with a three-lobed, flowing tail; the lionhead, with a swollen “hood” on the head; and the celestial, with protruding, upward-directed eyes.
These days, goldfish come in all shapes, sizes, fin styles, eye setting configurations and colors. Most goldfish that you see in pet stores come from commercial breeders, usually located in Thailand, Japan, China or Indonesia. While commercial goldfish are yellow, gold and lot of other colors, wild goldfish are almost exclusively olive green or dark grey.
Commercial goldfish are suited for indoor living only, but there are species of pond goldfish that thrive in outdoor water gardens and ponds and can grow much larger.
Goldfish are the most popular pet fish and can be found at pet stores around the country. On average, depending on the colors and type, you’ll pay anywhere from a few dollars to upwards of $15 for a pet goldfish. The most expensive goldfish breed, however, is the Ranchu goldfish, which costs about $150 depending on its size and color.
Common goldfish (the ones that you can win at county fairs), are actually one of the largest species of goldfish, capable of reaching lengths over 18 inches and weighing up to ten pounds. Even the smallest goldfish species reach adult lengths between four and seven inches and are best suited for 20-gallon or larger aquariums, not fish bowls.
The size of your goldfish’s tank will affect its growth to an extent, but there are other factors to consider, like the fish’s diet and cleanliness of its environment. Depending on the species and above-mentioned factors, a goldfish can end up being two feet long or as small as two inches. The average life span is six to eight years but they can live up to 40 years old!
Koi and goldfish have plenty in common.
Their feeding needs are about the same, as are their breeding habits. Both are popular fish for stocking outdoor ponds, and both can be kept indoors. Koi will end up costing you more money, though. Not only do they require filtration systems for the water, they can be priced in the thousands of dollars, whereas goldfish may cost $5 to $50 or even just a little change. They may seem identical, but they have plenty of differences.
There are many types of goldfish and these are some of them:
- The Common Goldfish
- Comet Goldfish
- Shubunkin Goldfish
- Wakin Goldfish
- Japanese Ryukin Goldfish
- Fancy Fantail Goldfish
- Veiltail Goldfish
- Globe Eye or Telescope Goldfish
- Broadtail Moor
- Oranda Goldfish
- Pearlscale Goldfish
- Ranchu Goldfish
- Pompon Goldfish
- Bubble Eye Goldfish Care
- Celestial Goldfish
- Ingot Oranda and many other types…