name: rosetail oranda (carassius auratus – rosetail oranda variety) max size: up to 8 inches water parameters: pH 6.5-7.5, temperature 65-75°F, moderately hard water diet: omnivorous – thrives on high quality sinking pellets, gel foods, vegetables like peas and spinach, and occasional live or frozen foods such as bloodworms and brine shrimp temperament: peaceful and social; best kept with other fancy goldfish of similar swimming ability tank setup: spacious aquarium with smooth substrate, gentle filtration, and plenty of open swimming space; avoid sharp decor that could damage fins or wen growth compatibility: ideal with other fancy goldfish; avoid aggressive, fin-nipping, or fast-swimming species behavior: slow and elegant swimmer that enjoys grazing and exploring the tank; may struggle in strong currents due to heavy finnage fun fact: the rosetail oranda is prized for its extremely layered, ruffled finnage that resembles flower petals, making it one of the most dramatic and luxurious-looking fancy goldfish varieties