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Freshwater aquarium. A freshwater aquarium is a receptacle that holds one or more freshwater aquatic organisms for decorative, pet-keeping, or research purposes. Modern aquariums are most often made from transparent glass or acrylic glass. Typical inhabitants include fish, plants, amphibians, and invertebrates, such as snails and crustaceans.
The Manila galleon (Spanish: Galeón de Manila; Filipino: Galyon ng Maynila), originally known as La Nao de China, [1] and Galeón de Acapulco, [2] refers to the Spanish trading ships that linked the Spanish Crown's Viceroyalty of New Spain, based in Mexico City, with its Asian territories, collectively known as the Spanish East Indies, across the Pacific Ocean.
A freshwater aquarium with plants and various tropical fish. An aquarium (pl.: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aquatic reptiles, such as turtles, and aquatic plants.
A scuba diver at work in the tank. The water column was 14 m (46 ft) high, [9] held 1 million litres (260,000 US gal; 220,000 imp gal) of saltwater and accommodated about 1,500 tropical fish from over 100 species. A team of scuba divers conducted daily feedings, with 8 kg (18 lb) of feed-fish, and cleaned the tank daily. [7]
Tanks are used to store fuel, engine oil, and fresh water. Ballast tanks are equipped to change a ship's trim and modify its stability. Superstructures are found above the main deck. On sailboats, these are usually very low. On modern cargo ships, they are almost always located near the ship's stern.
A whale shark at Georgia Aquarium, the largest in the United States. A public aquarium (pl. aquaria) or public water zoo is the aquatic counterpart of a zoo, which houses living aquatic animal and plant specimens for public viewing. Most public aquariums feature tanks larger than those kept by home aquarists, as well as smaller tanks.
Swim bladder. The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish [1]) to control their buoyancy, and thus to stay at their current water depth without having to expend energy in swimming. [2] Also, the dorsal position of the swim ...
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