Strong visual impact due to the deep, uninterrupted red tone.
Viewing Style: Best appreciated from above, like all Ranchu.
Size & Lifespan: Commonly 10–18 cm; lifespan 8–15+ years (based on general Ranchu data). br-choku.com
Care:
Clean, stable water; gentle filtration.
Sinking pellets, vegetables, and occasional protein.
Avoid fast tankmates.
Description
Ranchu are a Japanese fancy goldfish variety known for their egg‑shaped body, smooth arched back, lack of dorsal fin, and characteristic head growth (wen). Both Red and Red & White Ranchu share these structural traits, differing mainly in coloration.