Aquarium fish are sought after for far more than their appearance. The best-loved species can bring vivid color, intriguing behavior, peaceful movement, and a strong sense of life to a home, office, or public display. Across the world, demand is especially high for fish that combine visual appeal with captive-bred availability, manageable care requirements, and compatibility with a well-planned aquarium.There is no single worldwide sales ranking, as popularity changes by country, local regulatio [...]
