Mixed Variety
Mixed variety goldfish is a practical label rather than a formal breed name. In shops, rescues, and hobbyist tanks it usually means goldfish, Carassius auratus, whose variety is uncertain, crossed, or not important to the listing. A group may include single-tailed commons and comets, rounder fantail-type fish, calico shubunkin influence, or young fancies that have not developed their adult shape. Color can be just as variable, from bronze juveniles to orange, white, black, calico, and changing combinations as the fish mature.
Care decisions should be based on body form, not the mixed label. Fast single-tailed fish need pond-scale space or very large aquariums and can outcompete slow, deep-bodied fancies at feeding time. Fish with protruding eyes, headgrowth, or very round bodies need gentler decor and less current. Buyers should look for clear fins, steady swimming, and enough information about expected size before mixing them with established stock. Mixed variety fish can make hardy pets, but breeding them will not produce a predictable named strain.
Colors: Black, Black and Orange, Black and White, Black Calico, Black & Orange, Black & White, Blue, Blue-Black, Blue Calico, Blue-Gray, Bronze, Brown, Calico, Chocolate, Gold, Lavender, Matte, Metallic, Nacreous, Orange, Orange Calico, Panda, Red, Red and White, Red/Black, Red Calico, Red Cap, Red & White, Sarasa (Red & White with Distinct Patterns), Tri-Color, White, White Calico, White with Red Fins, Yellow