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The most common type of saltwater fish tank, the tropical marine tank, houses marine animals from tropical climates. Usually kept between 24 and 28 °C (75 and 82 °F), these tanks include tropical reef tanks, as well as fish-only tanks. These tanks tend to have a low concentration of microscopic plankton and other foods eaten by filter feeders.
Seawater has an average salinity of 35 parts per thousand of water. Actual salinity varies among different marine ecosystems. [4] Marine ecosystems can be divided into many zones depending upon water depth and shoreline features. The oceanic zone is the vast open part of the ocean where animals such as whales, sharks, and tuna live.
The Maui Ocean Center is an aquarium and oceanography center located in Maalaea, Hawaii, on the island of Maui. [4] Opened on March 13, 1998, by Coral World International, the 3 acres (1.2 ha) facility is the largest living tropical reef aquarium in the Western Hemisphere.
The 1989-era South Pacific Aquarium simulated tropical Pacific environments, and in 2024 it reopened to the public as the Tropical Reef Aquarium. It features coral reef tanks, a lagoon exhibit, a blue hole exhibit, and a touch tank. The lagoon has small fish and eels, while the 250,000-US-gallon (950,000 L) Outer Reef tank has nurse sharks ...
A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...
This additional level of variety in the environment is beneficial to many types of coral reef animals, which for example may feed in the sea grass and use the reefs for protection or breeding. [ 32 ] Coastal habitats are the most visible marine habitats, but they are not the only important marine habitats.
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Seawater, or sea water, is water from a sea or ocean.On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na +