Aquaria: Aquarium Fish

Build healthier freshwater aquariums with confidence using Aquaria – the complete freshwater fish encyclopedia, aquarium planner, fish compatibility checker, aquarium journal, and aquarium management app for every aquarist.

Whether you're building your very first freshwater aquarium, planning a thriving community tank, or you're an experienced aquarist looking for reliable fish information, Aquaria gives you everything you need to create healthier aquariums and make smarter decisions before adding new freshwater fish.

BUILD YOUR DREAM FRESHWATER AQUARIUM

Aquaria helps you design, plan, and manage your ideal freshwater aquarium from the very beginning.

Create your own fish tank, add freshwater fish, organize aquarium residents, monitor aquarium health, and build a balanced community aquarium with confidence.

Whether you keep a planted aquarium, a tropical fish aquarium, or a peaceful community tank, Aquaria makes aquarium planning simple and enjoyable.

SMART FISH COMPATIBILITY

Fish compatibility is one of the most important aspects of successful aquarium care.

Aquaria analyzes fish compatibility using multiple factors, including:

• Behavior
• Temperament
• Social requirements
• Habitat
• Water parameters
• Swimming level
• Space requirements
• Aquarium size
• Community balance

Understand why freshwater fish are compatible—or why they are not.

Prevent aggression, territorial behavior, overcrowding, stress, and poor community tank combinations before adding new aquarium fish.

AQUARIUM HEALTH SCORE

Every freshwater aquarium receives a detailed Aquarium Health Score based on its current residents.

Instantly understand the overall health of your fish tank and see how adding or removing freshwater fish changes the balance of your aquarium.

The Aquarium Health Score helps beginners and experienced aquarists create healthier freshwater aquariums with confidence.

FRESHWATER FISH ENCYCLOPEDIA

Explore a growing freshwater fish encyclopedia featuring hundreds of freshwater fish species.

Every fish profile includes carefully researched information about:

• Behavior
• Temperament
• Habitat
• Water parameters
• Aquarium size
• Diet
• Aquarium care
• Fish care
• Lifespan
• Breeding
• Difficulty
• Compatibility
• Interesting facts

Whether you're researching Betta fish, Corydoras, Tetras, Gouramis, Plecos, Rasboras, Rainbowfish, Barbs, Loaches, or many other tropical fish, Aquaria provides reliable information for every aquarist.

AQUARIUM PLANNER

Plan every freshwater aquarium before buying new fish.

See how each freshwater fish affects your community aquarium, compare species, organize aquarium residents, and build a balanced freshwater tank with confidence.

Aquaria combines aquarium planning with intelligent fish compatibility analysis, making aquarium management easier than ever.

LEARN BETTER AQUARIUM CARE

Discover detailed guides covering aquarium care, fish care, habitat requirements, breeding information, water parameters, aquarium maintenance, and species-specific recommendations.

Whether you're choosing your next tropical fish or learning about freshwater species, Aquaria helps you become a better fish keeper every day.

WHY CHOOSE AQUARIA?

• Freshwater fish encyclopedia
• Aquarium planner
• Fish compatibility checker
• Aquarium Health Score
• Aquarium journal
• Aquarium management tools
• Aquarium care guides
• Fish care information
• Water parameter recommendations
• Habitat information
• Breeding guides
• Community tank planning
• Tropical fish encyclopedia
• Freshwater fish database
• Save favorite fish
• Beautiful aquarium app
• Regular content updates

Aquaria is continuously expanding with new freshwater fish species, improved aquarium planner features, better fish compatibility analysis, additional aquarium care guides, aquarium management tools, freshwater fish information, and regular updates for aquarists around the world.

Recent changes:
Meet 12 new fish and 4 new variants of your favorites! We also improved the Aquarium engine to make it smoother and more reliable. Thanks for using Aquaria!