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  2. Aquarium - Wikipedia

    en.wikipedia.org/wiki/Aquarium

    An aquarium may have freshwater (salinity below 500 parts per million), simulating a lake or river environment; brackish water (a salt level of 500 to 30,000 PPM), simulating environments lying between fresh and salt, such as estuaries; and salt water or seawater (a salt level of 30,000 to 40,000 PPM), simulating an ocean environment. Rarely ...

  3. Freshwater aquarium - Wikipedia

    en.wikipedia.org/wiki/Freshwater_aquarium

    When first starting an aquarium biological enhancer is also commonly used to speed up the nitrogen cycle by adding beneficial bacteria. [5] [7] Surface area and height are important in the set-up and maintenance of a living biotope. The surface area contributes to providing superior in-tank oxygenation and it also facilitates the creation of ...

  4. List of largest aquariums - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_aquariums

    Large aquariums exhibit a wide variety of species and animals in a large range of tanks. These are typically public aquariums and may also include oceanariums and dolphinariums, designed to showcase a diverse range of marine animals for the public. In operation Only aquariums with a total capacity of more than 10 million litres and/or a tank larger than 5 million litres are included in the ...

  5. Fishkeeping - Wikipedia

    en.wikipedia.org/wiki/Fishkeeping

    An aquascaped freshwater aquarium. Fishkeeping is a popular hobby, practiced by aquarists, concerned with keeping fish in a home aquarium or garden pond.It is a practice that encompasses the art of maintaining one's own aquatic ecosystem, featuring a lot of variety with various water systems, all of which have their own unique features and requirements.

  6. Marine aquarium - Wikipedia

    en.wikipedia.org/wiki/Marine_aquarium

    A marine aquarium Corals in a marine aquarium. A marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. Marine aquaria are further subdivided by hobbyists into fish only (FO), fish only with live rock (FOWLR), and reef aquaria. Fish only tanks often showcase large or aggressive marine fish species and ...

  7. Oregon Coast Aquarium - Wikipedia

    en.wikipedia.org/wiki/Oregon_Coast_Aquarium

    The Oregon Coast Aquarium is an aquarium in Newport in the U.S. state of Oregon. Opened in 1992, the facility sits on 23 acres (9.3 ha) along Yaquina Bay near the Pacific Ocean. The aquarium was home to Keiko , the orca who starred in the movie Free Willy , from January 7, 1996, until September 9, 1998, when he was shipped to Vestmannaeyjar ...

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  9. Osaka Aquarium Kaiyukan - Wikipedia

    en.wikipedia.org/wiki/Osaka_Aquarium_Kaiyukan

    Osaka aquarium is the second aquarium in the world after Okinawa Ocean Expo Aquarium to start keeping whale sharks. In 1994 the aquarium successfully captivated a manta ray which was the second in the world at the time. Later in 1995 the aquarium managed to successfully hold an ocean sunfish [2] in captivity. Becoming one of the few aquariums ...