Aquariums

right|thumb|A freshwater aquarium with plants and various tropical fish right|thumb|The underwater tunnel in the Sea Life London Aquarium|Sea Life London aquarium

facility and institution that exhibits live aquatic animals and plants in large tanks for the public to view, learn about, and appreciate

thumb|upright=1.3|alt=An aquarium viewed from the front. At the bottom front, dark substrate material is built up high at the left and right sides, and low in the center, and its surface is covered in tiny green plants. Water fills the center of the tank, to about the halfway up the total height of the tank. Many and various larger plants grow above the water, and over the back wall of the aquarium.|A paludarium for housing freshwater fish inside A paludarium is a type of vivarium that incorporates both terrestrial and aquatic elements. Paludaria (or paludariums) usually consist of an enclosed

thumb|Guppy fry 1 week old Livebearers are fish that retain their eggs inside the body and give birth to live, free-swimming young. They are especially prized by aquarium owners. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppy, molly, platy, endler’s and swordtails.

fodder for pet fish

Sea Life is a chain of commercial sea life-themed aquarium attractions

maintenance systems for aquaria

thumb|upright=1.4|alt=Aquarium containing a variety of plants and a piece of driftwood, with white gravel at front and a plant with red leaves at the upper left.|58 United States customary units#Fluid volume|gallon (220 [[litre) freshwater aquascape]] Aquascaping is the craft of arranging aquatic plants, as well as rocks, stones, cavework, or driftwood, in an aesthetically pleasing manner within an aquarium—in effect, gardening under water. Aquascape designs include a number of distinct styles, including the garden-like Dutch style and the Japanese-inspired nature style. Typically, a

thumb|Bog-wood from the Sava River, Bosnia and Herzegovina Bog-wood (also spelled bogwood or bog wood), also known as abonos and, especially amongst pipe smokers, as morta, is a material from trees that have been buried in peat bogs and preserved from decay by the acidic and anaerobic bog conditions, sometimes for hundreds or even thousands of years. The wood is usually stained brown by tannins dissolved in the acidic water. Bog-wood represents the early stages in the fossilisation of wood, with further stages ultimately forming jet, lignite and coal over a period of many millions of years. Bo

bacteria using nitrate and nitrite as a terminal electron acceptor

fish found in aquatic tropical environments around the world

commercial theme park where marine mammals are kept

tanks for more than one species of fish

mixture of dissolved mineral salts (and sometimes vitamins) that simulates seawater

biological water filter that uses light to grow algae which removes undesirable chemicals from aquarium water

alt=Designing and maintaining of Aquarium Tank by the Students of College of Agriculture Yandev. Gboko Benue State|thumb|An aquarist in the process of designing a tank for educational purposes. An aquarist is a person who manages aquariums, either professionally or as a hobby. They typically care for aquatic animals, including fish and marine invertebrates. Some may care for aquatic mammals. Aquarists often work at public aquariums. They may also work at nature reserves, zoos, and amusement parks. Some aquarists conduct field research outdoors. In business, aquarists may work at pet stores, as

underwater viewing tunnel in large aquariums