The Red Cap Goldfish is a popular aquarium fish known for its distinctive red head. They can thrive in a pH range of 6.0-8.0 and prefer water temperatures between 65-78°F (18-26°C). It is important to maintain a consistent water quality by performing regular water changes and filtration. Red Cap Goldfish are omnivorous and should be fed a balanced diet of flakes or pellets along with fresh vegetables and live foods.

They are peaceful and can be kept with other peaceful species of similar size. Red Cap Goldfish can grow up to 8 inches in length and require a spacious aquarium with plenty of swimming room. It is recommended to provide them with hiding places such as caves or plants to provide a sense of security.

Overall, the Red Cap Goldfish is a beautiful and hardy fish that is relatively easy to care for with proper attention to water quality, temperature, and diet.