Scientific Name: Carassius auratus The Assorted Ranchu Goldfish is a popular fancy goldfish variety known for its rounded body, smooth back without a dorsal fin, and distinctive head growth called a wen. These goldfish come in a variety of colors and patterns, making each fish unique and a beautiful addition to aquariums. Scientific Name: Carassius auratus Temperament: Peaceful Diet: High-quality goldfish pellets, flakes, vegetables, and frozen foods Minimum Tank Size: 30 gallons Temperature: 65–75°F (18–24°C) pH: 6.5–7.5 Adult Size: 5–7 inches Behavior: Ranchu Goldfish are slow swimmers and do best with other peaceful fancy goldfish varieties. They prefer aquariums with strong filtration, stable water conditions, and open swimming areas without sharp decorations. Notes: Assortment includes a mix of colors and patterns; Exact colors and markings will vary; Stock photo used; fish received may differ.