A global, beginner-friendly guide to beautiful ornamental aquarium fish—what they look like, where they come from, how they behave, and what helps them thrive in home tanks. Tap a topic below to start exploring.
Peaceful, colorful freshwater fish that do well in beginner community tanks—schooling species, gentle companions, and reliable favorites for everyday aquarium setups.
Classic goldfish varieties and other cool-water aquarium options—focus on tank size, filtration, and long-term care so these popular fish stay healthy and vibrant.
Bold personalities and standout colors—learn which cichlids and semi-aggressive species fit your tank, how to plan territories, and how to choose compatible tankmates.
Helpful invertebrates and algae grazers that support a cleaner aquarium—shrimp, snails, and utility species, plus the compatibility notes that matter most.
Species that shine in aquascapes—fish that complement live plants, look great against greens and wood, and often prefer calmer flow and natural cover.
Saltwater and reef favorites from around the world—reef-safe considerations, feeding notes, and practical setup basics for more advanced aquarium goals.
Explore ornamental fish by geographic origin—South America, Southeast Asia, Africa’s great lakes, Oceania, and major marine regions—great for building themed “biotope-style” tanks.
Match fish to realistic aquarium sizes—nano to large tanks—with practical notes on swimming space, social needs, and stocking expectations.