A 10-gallon tank is the entry point for stable freshwater aquariums. Realistic stocking targets: Schoolers: 6-8 neon tetras OR 8-10 ember tetras OR 8-10 chili rasboras OR 6 celestial pearl danios. Centerpiece options: 1 male betta + 6-10 cherry shrimp + 5-6 nerite snails. Shrimp-only: 20-30 cherry shrimp + nerite snails. What does NOT fit: goldfish (need 30+ gallons), African cichlids (need 55+), angelfish (need 55+), most gouramis except dwarf, plecos (most species reach 12-18 inches). Why "inch per gallon" fails: it ignores body shape (a 6-inch goldfish produces 10x the waste of six 1-inch tetras), territorial requirements, and oxygen demand. Use AqAdvisor or our stocking calculator for species-specific load percentages. Cycling first: never add fish to a brand-new 10-gallon - cycle for 3-6 weeks.
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