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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 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 generally rely on mechanical and chemical ...
The lighting used for reef aquariums is the highest intensity of all aquarium types. Typical light sources types include LED, fluorescent, metal halide, and sometimes plasma lamps. Simple lighting setups use a single lamp or multiple lamps of a single type. More advanced setups can include several lamp types and can also include lamps of ...
15 kW xenon short-arc lamp used in IMAX projectors. High-intensity discharge lamps (HID lamps) are a type of electrical gas-discharge lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. [1] This tube is filled with noble gas and ...
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The Dallas World Aquarium is a for-profit aquarium and zoo located in the West End Historic District of Dallas, Texas, USA. [ 4 ] It aids conservation and education by housing many animals that are threatened or endangered as part of a cooperative breeding program with other zoos around the world. It has been an accredited member of the ...
Gobo (lighting) A decorative lighting device that projects a gobo. Components from right to left are the lamp house, the gobo itself (in this case a grid made of wires), and the focusing lens. In a theatrical unit, all three would be in an enclosure to prevent light spillage. The insert at lower right shows the pattern this device projects.
This lesser-known algae is quite attractive, growing flat branches covered in segmented branchlets. Depending on its environment, the algae will take on a yellow, orange, or red coloration (deep red under aquarium lighting). It is also highly variable in terms of its size and composition. [230] [231] 8 in (20.3 cm) [231] Silk skin: Pugetia japonica
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