How Popular Are Aquariums in the U.S.? A Deep Dive into Fishkeeping Stats

In the world of pet ownership, aquariums hold a unique space — serene, sculptural, and scientifically fascinating. As of 2025, they’re also far more common than most people think.

🐾 Pet Ownership Is at an All-Time High

Americans love their pets — and the numbers prove it. In 2023, 66% of U.S. households (around 86.9 million homes) reported owning a pet. That figure has now climbed to over 94 million households in 2025 — a record high.

🐠 Fish Tanks in American Homes

Among these households, approximately 12 million keep aquarium fish, whether freshwater or saltwater. That’s nearly 1 in every 10 homes in the country. The breakdown tells an even more fascinating story:

• 10 million households own freshwater aquariums.
• 2 million households maintain saltwater tanks — about as rare as owning a horse.

🏆 Where Fish Rank in the Pet Hierarchy

Freshwater fish are the third most popular pet in the U.S. by household ownership — behind only dogs (65.1 million) and cats (46.5 million). Saltwater aquariums, though more niche, are prized by those seeking a more complex and beautiful aquatic environment.

📦 Fish Are Often Part of a Broader Pet Family

It’s also worth noting that fish are the most common “other” pet for families who already have a dog or cat. About 23% of U.S. pet owners own animals outside of the traditional dog-cat combo, and over 6.6 million households include fish as their additional pet.

🏡 What This Means for Modern Homes

In 2025, fish tanks are no longer just a novelty. They’re a lifestyle choice — one embraced by millions who value both beauty and biology. A centerpiece like the JBJ 65-Gallon Rimless Aquarium offers not only a tranquil design feature, but a living ecosystem that brings nature indoors.

As pet ownership reaches new highs, so does the demand for thoughtful, sculptural aquarium setups. Whether it’s a beginner’s freshwater tank or a showstopping saltwater reef, aquariums continue to rise in popularity — and cultural relevance.

“From background hum to centerpiece calm — fish tanks are America’s quiet obsession.”

Curious about setting up your own aquatic escape? Explore the Caldera Haven collection and bring crafted calm to your living space.