Clownfish and Anemones: Do They Really Need Each Other?

Clownfish and Anemones: Do They Really Need Each Other?

The truth about one of the ocean's most iconic partnerships

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Editors' Picks

Signs Your Fish Is Sick and What to Do About It

Fish can't tell you when something's wrong. Knowing what to look for can save your fish's life.

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How to Cycle a Fish Tank: The Nitrogen Cycle Explained

The nitrogen cycle is the foundation of a healthy aquarium. Skipping this step is the most common mistake beginners make.

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The 10 Best Beginner Fish for New Aquarists

Not all fish are created equal when it comes to ease of care. These 10 species are perfect for beginners.

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Our Aquatic Expert Review Process

Our review team is made up of aquatic biologists, ichthyologists, and experienced fish keepers who examine our content for accuracy and reliability to ensure it reflects the most up-to-date information on fish care.

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Dr. Sarah Reeves

Aquatic Biologist

Dr. James Holt

Marine Ichthyologist

Dr. Priya Nair

Veterinary Aquatics

Carlos Mendes

Master Aquarist

Fish Care Essentials

How to Quarantine New Fish Before Adding Them to Your Tank

Quarantining new fish is one of the most effective things you can do to protect your existing tank from disease and parasites.

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How Often Should You Change Aquarium Water?

Water changes are the backbone of fish care. Too few and toxins build up. Too many and you stress your fish unnecessarily.

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Aquarium Water Parameters: pH, Hardness, and Temperature Explained

Water chemistry sounds intimidating, but it boils down to a few key values you can easily test and adjust.

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