![]() ![]() The typical size of a Ranchu goldfish will reach five to eight inches in length when fully-grown.Īuthor Note: If they live in a particularly large tank, Ranchus can get much bigger. There’s a good amount of size variation when it comes to this fish. If they live in a poorly maintained tank or don’t receive a nutritionally balanced diet, it’s entirely possible that they won’t even reach the low end of this range. ![]() These freshwater fish have limited genetic diversity, making them susceptible to a wide range of conditions. Many factors come into play, and the quality of care you provide makes a big difference. Like all fish you keep in captivity, a Ranchu’s lifespan is not guaranteed. The average Ranchu goldfish lifespan is between eight and 15 years. However, there are also white, black, and calico-style specimens. You can find a specimen with the iconic shimmering gold color. For others, it stands out and grows so much that it affects visibility! For some, it’s pretty subtle and blends in with the fish’s color. This growth has a similar texture to a raspberry.Īuthor Note: Every fish is unique, and the helmet size can vary dramatically. However, the helmet covers more of the fish, acting like a hat over the top of the head, gills, and cheek. It’s similar to the wen you see on lionhead goldfish and other species. The head features a fleshy growth called a helmet. Ranchu goldfish have an expansive double-fan tail, creating a stunning burst of plumage. The base of the tail tucks inward, giving the fish a distinct “hunchback” posture. These freshwater fish have no dorsal fin, making that curve stand out. On the top of the body, you’ll notice a distinct curve. The Ranchu goldfish has a bulbous, egg-like body. While they were likely created from wild carp, they don’t look anything like fish you’ll find living in nature. They’re unlike most tropical fish species. If you’re looking for a popular type of goldfish with a slew of unique quirks, the Ranchu may be for you. Today, Ranchu goldfish are sought-after by collectors and aquarists around the world. Not long after that, they went worldwide. They didn’t come to China until hundreds of years later when the fish-keeping hobby was more widespread. If you know anything about breeding processes and the many variants of goldfish, you can notice little quirks about the Ranchu that scream “Japan!” The earliest record of the Ranchu is from the 1600s in Japan. The unique thing about the Ranchu goldfish is that it didn’t originate in China like most Fancies. ![]()
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