What is a goldfish which group does it belong?

The goldfish is a domesticated Freshwater Fish belonging to the family Cyprinidae, which is part of the order Cypriniformes. It is a selective bred variant of the wild carp species, specifically the Prussian carp (Carassius auratus). Goldfish are popular pets and are known for their vibrant colors and various fin and body shapes. They are often kept in aquariums and ponds.