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Aquarium

life science Maturity 5-7 Next article →

An aquarium is a vivarium of any size with at least one transparent side.

Aquarium 60cm
Aquarium 60cm

These containers are used to keep and display aquatic plants and animals. Fishkeepers, or aquarists, use them for many different residents. These include fish, invertebrates, amphibians, and aquatic reptiles like turtles.

The term itself was coined by the English naturalist Philip Henry Gosse. He combined the Latin root "aqua," meaning water, with the suffix "-arium," meaning a place for relating to. Today, aquaria range from small glass bowls to immense public facilities holding thousands of liters of water.

Maintaining a healthy aquarium requires a careful biological balance.

Aquarium Nitrogen Cycle
Aquarium Nitrogen Cycle

In 1850, the chemist Robert Warington fully developed the aquarium principle. He explained that adding plants to a container of water provides a vital service. These plants give off enough oxygen to support aquatic animals through their natural processes. However, this balance only works if the number of animals does not grow too large. If the animal population is too high, the plants cannot produce enough oxygen for everyone. This discovery allowed for the creation of stable, long-term habitats for living creatures.

Aquaria come in many different shapes and sizes depending on their use.

Small aquarium
Small aquarium

Small containers with rounded walls are often called fish bowls. Tanks with flat walls are simply known as fish tanks. In a home setting, an aquarist might use a small glass bowl holding only a few liters. In contrast, large public aquariums use massive tanks to house much larger animals. These public facilities can hold sharks, dolphins, seals, penguins, and even whales.

Georgia Aquarium - Ocean Voyager Tunnel Jan 2006
Georgia Aquarium - Ocean Voyager Tunnel Jan 2006

These large systems often use specialized equipment to maintain water quality and other necessary characteristics.

The history of keeping aquatic life stretches back many centuries.

AntiqueFiskeAquarium
AntiqueFiskeAquarium

In 1369, the Hongwu Emperor of China established a porcelain company. They produced large porcelain tubs specifically for maintaining goldfish. In 1832, Jeanne Villepreux-Power, a French marine biologist, used aquaria for scientific experimentation. Her work provided the first direct evidence that argonauts, a type of marine cephalopod, create their own shells. Later, in 1836, Dr. Nathaniel Bagshaw Ward proposed using his tanks for tropical animals. By 1853, Philip Henry Gosse launched an aquarium craze in England by opening the first public aquarium at the London Zoo. This facility was known as the Fish House.

Technology has transformed how we build and maintain these underwater worlds.

During the Victorian era, home aquaria often had glass fronts with wooden sides. These wooden sides were made watertight using a pitch coating. Many designs even featured slate bottoms that were heated from below. A major turning point occurred around 1908 with the invention of the first mechanical air pump. This device was powered by running water rather than electricity. After World War I, the widespread availability of electricity changed everything. It allowed for artificial lighting, aeration, filtration, and heating to be controlled easily.

Modern advancements have made it possible to keep exotic species from all over the world.

Jellyfish Art Tank
Jellyfish Art Tank

In the 1950s, the introduction of plastic shipping bags made it much easier to transport fish. This, combined with the availability of air freight, allowed fish to be imported from very distant regions. In the 1960s, the development of tar and silicone sealant allowed for the creation of all-glass aquaria. This was a significant improvement over older metal frames, which suffered from corrosion in marine environments. Today, some hobbyists practice aquascaping. This is an art form where fishkeepers create aesthetically pleasing underwater compositions using plants and rocks.

Aquarium keeping is a massive global hobby with significant social and health impacts.

Lisbon Oceanarium
Lisbon Oceanarium

In the United States, it is the second-most popular hobby, trailing only stamp collecting. By 1999, an estimated 9.6 million US households owned an aquarium. In Germany, estimates suggest there are at least 36 million fish kept in aquaria. Beyond simple decoration, research shows that observing aquatic life can provide many health benefits. Watching an aquarium can help reduce stress, lower blood pressure, and improve heart rates. It has also been linked to better sleep, reduced anxiety, and even benefits for Alzheimer's therapy.

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🖼️ Images & Media (27)
File:Amaterske akvarium.jpg
Amaterske akvarium.jpg
File:Underwater Walk of Sea Life London Aquarium.jpg
Underwater Walk of Sea Life London Aquarium.jpg
File:Cat by Koryusai.jpg
Cat by Koryusai.jpg
File:Waldmüller - Die Schauspielerin Theres Krones.jpeg
Waldmüller - Die Schauspielerin Theres Krones.jpeg
File:1856aquariumfresh.png
1856aquariumfresh.png
File:L'aquarium; vue intérieure.jpg
L'aquarium; vue intérieure.jpg
File:What an Aquarium Should Be.png
What an Aquarium Should Be.png
File:AntiqueFiskeAquarium.jpg
AntiqueFiskeAquarium.jpg
File:Pike aquarium c1908.jpg
Pike aquarium c1908.jpg
File:Aquarium 60cm.JPG
Aquarium 60cm.JPG
File:Al Mahara Burj al Araba Dubai March 2008pano.jpg
Al Mahara Burj al Araba Dubai March 2008pano.jpg
File:Macquarium.jpg
Macquarium.jpg

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