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how many aquariums in the world


Author: Poolking - Swimming Pool Equipment Manufacturer

Aquariums are a unique form of entertainment that combines the beauty of aquatic life with the thrill of learning. Whether you enjoy observing colorful fish, watching majestic sharks glide through the water, or simply appreciating the serene atmosphere an aquarium offers, they never fail to captivate us. But just how many aquariums are out there? In this article, we will delve into the world of aquariums and explore this fascinating question.

The number of aquariums in the world is constantly growing. As of 2021, there are over 4,000 aquariums worldwide, from large public ones to smaller privately owned ones. They come in many different shapes and sizes, catering to different audiences, regions and markets.

Public Aquariums

Public aquariums are among the most popular types, with more than 1,500 worldwide. They are typically situated in heavily populated areas, such as cities or tourist locations, to attract large audiences. Public aquariums showcase a variety of aquatic life, from massive whales and sharks to smaller fish, invertebrates, and plants. Some also offer interactive exhibits, where visitors can touch and feed the animals or even swim with them.

Private Aquariums

Private aquariums, on the other hand, are mostly found in homes or small businesses. They are smaller in size, generally housing fewer species and holding less water than public aquariums. Private aquariums are often a hobby for enthusiasts who want to create their own underwater world or showcase rare aquatic specimens. They are typically not open to the public, but some owners may invite friends or other hobbyists to visit their aquariums.


Oceanariums are a specific type of public aquarium that focuses on the ocean and the creatures that inhabit it. They are usually larger than traditional aquariums and may have special exhibits that showcase sea animals in their natural environment. Oceanariums often have research programs that study the ocean and its inhabitants, from marine mammals to coral reefs. They also aim to educate the public about conservation efforts and what individuals can do to help protect the ocean.

Specialty Aquariums

Specialty aquariums are usually smaller and focus on a specific type of aquatic animal or plant. They may showcase freshwater fish, rare saltwater species, or certain types of plants. Specialty aquariums can be both public or private and cater to a niche market, such as hobbyists or breeders. They often have knowledgeable staff or guides who can provide in-depth information about the specimens on display.

Zoos with Aquariums

Many zoos around the world feature aquariums as an additional attraction. These aquariums are usually smaller in size and may have fewer species than standalone public aquariums. However, they offer visitors the chance to see a variety of aquatic animals in addition to the usual land-based zoo species. Zoos with aquariums often have educational programs and interactive exhibits aimed at both adults and children.


In conclusion, the number of aquariums in the world is over 4,000 and continues to grow each year. With different types of aquariums catering to different markets, there's always something new to discover. Whether you're a hobbyist or just enjoy observing underwater life, aquariums never fail to inspire awe and wonder. So why not take the plunge and explore the fascinating world of aquariums?


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