Ranchu ... The Ranchū (蘭鋳, 蘭虫, 卵虫; "Dutch worm"), also Maruko, [1] is a hooded variety of goldfish native to Japan, which lacks a dorsal fin. [2] It is referred to as the "king of goldfish" by the Japanese. …

Dec 1, 2025 · Ranchu goldfish are strange but cute looking fish that appeal to a large number of aquarists. Because of their unique appearance and the entertaining behavior they exhibit, they will …

Mar 17, 2025 · The Ranchu goldfish is a very popular breed and for good reason! Find out why and learn more about their care, varieties and lifespan with our guide.

May 31, 2021 · Discover how to care for Ranchu goldfish, the "king of goldfish." Learn about their unique needs, tank setup, diet, and breeding tips

Jul 3, 2025 · The Ranchu Goldfish (also known as the “King of Goldfish”) is one of the most admired ornamental fish species in the world. Known for its smooth arched back, lack of dorsal fin, and …

Jan 13, 2021 · Ranchu goldfish – known as “King of Goldfish” – are a variety of fancy goldfish. They are hugely popular with enthusiasts around the world, especially in Asia. These beautiful ornamental fish …

Dec 9, 2024 · Ranchu Goldfish is an elegant variety of freshwater goldfish that stands out because of its distinct appearance and calm demeanor. This captivating goldfish is often called the “king of goldfish” …

Sep 14, 2023 · Called the King of Goldfish, The Ranchu are known for their large, round bodies, and lack of dorsal fin. Ranchu Goldfish are considered one of the most beautiful and expensive breeds of …

May 28, 2025 · What is a Ranchu Goldfish? The Ranchu is a fancy goldfish variety that originated in China and was perfected in Japan. It is characterized by: A smooth, curved back with no dorsal fin, …

Jun 4, 2025 · Ranchu goldfish are beloved for their rounded bodies, lack of a dorsal fin, and distinct head growth (wen). Often referred to as the “king of goldfish” in Japan, these peaceful and graceful …