Ryukin (Short Tail) Goldfish. Royalty-Free Stock Photo

Ryukin (Short Tail) Goldfish. RYUKIN This fish has been around in China and Japan for many years now. There are now many different versions of this fish, depending on the length and color of the tail. There are regular tails, short tails, and longer tails. The original standard tail is still very popular, but now the short tail version is available, and more and more people are interested in this fish. The Ryukin is identified by the hump on its back. The standard tail is a really nice looking fish, but if you are looking for a beautiful and powerful fish, look no further than the short tail Ryukin.