# Mixed Pearlscale Goldfish The pearlscale goldfish is instantly recognizable by its distinctive bumpy, nacre-like scales that catch light in an almost three-dimensional way. Unlike their sleek cousins, pearlscales have a rounder, more compact body shape?a trait that developed through centuries of selective breeding in Japan. What you're getting with a mixed pearlscale is variety: some individuals display deep orange hues, others sport white and orange patterns, and many show metallic sheens across their domed backs. Each one looks genuinely different from the next. These goldfish are surprisingly interactive aquarium inhabitants. They'll recognize your presence at the tank and actively dart toward the glass during feeding time, displaying a level of engagement that often surprises new keepers. They're constant explorers?sifting through substrate, investigating plants, and occasionally uprooting decorations during their foraging routines. This bottom-feeding behavior is worth planning around; provide soft substrate in at least part of your tank so they can pursue this natural instinct without damaging their bodies. A 20-gallon minimum works, but understand that pearlscales generate significant bioload, so robust filtration and regular water changes (30-40% weekly) become non-negotiable. They produce more waste than comparably-sized fish, so don't treat the minimum tank size as comfortable long-term housing?many experienced keepers recommend 30+ gallons to keep water parameters stable and the fish healthier for their extended lifespan. Pearlscales are genuinely social and thrive alongside other goldfish varieties, particularly fancies like orandas and fantails that share their slower swimming speed and similar care needs. Keep them away from fast, aggressive species and fine-leaved plants, which they'll demolish while grazing. Given the right conditions?cool, well-maintained water and consistent feeding?these goldfish readily live well into their teens, with some individuals reaching 20 years. They're rewarding fish that showcase personality and adapt well to established routines with their keepers.