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Prefiltered water is delivered to a perforated plate (drip plate). Prefiltering may take place in the aquarium via a foam block or sleeve in the overflow, or weir siphon, or it may be prefiltered by filter wool resting on the perforated plate. The waste laden water from the aquarium spreads over the drip plate, and rains down through a medium.
Aeration of liquids (usually water) is achieved by: passing air through the liquid by means of the Venturi tube, aeration turbines or compressed air which can be combined with diffuser(s) air stone(s), as well as fine bubble diffusers, coarse bubble diffusers or linear aeration tubing. Ceramics are suitable for this purpose, often involving ...
The following is a list of aquarium diseases. Aquarium fish are often susceptible to numerous diseases , due to the artificially limited and concentrated environment. New fish can sometimes introduce diseases to aquaria, and these can be difficult to diagnose and treat.
Gold and silver varieties commonly found; also thrive in brackish water/ full sea water [59] Yucatán molly, giant sailfin molly: Poecilia velifera: 15 cm (5.9 in) Dalmatian molly: hybrid: 5 cm (2.0 in) The dalmatian molly is a hybrid color variation that can be generated by crossing some species of Poecilia, like P. sphenops and P. latipinna.
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The aquarium craze was launched in early Victorian England by Gosse, who created and stocked the first public aquarium at the London Zoo in 1853, and published the first manual, The Aquarium: An Unveiling of the Wonders of the Deep Sea in 1854. [2] Small aquariums are kept in the home by hobbyists. There are large public aquariums in many cities.
Climate change: yes yes: Climate change: → Africa: → Justice: Environment: yes yes: Environment: → Environmental Record task force: → Green vehicle task force: → Sustainability task force: Forestry: no yes: Pollution: no Severe weather: yes yes: Weather: Tropical cyclones: yes yes: yes: yes: Tropical cyclones: → Atlantic hurricane ...
Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also eat live plants. Hobbyists use aquatic plants for aquascaping, of several aesthetic styles.