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Nitrifying bacteria are chemolithotrophic organisms that include species of genera such as Nitrosomonas, Nitrosococcus, Nitrobacter, Nitrospina, Nitrospira and Nitrococcus. These bacteria get their energy from the oxidation of inorganic nitrogen compounds. [ 1 ] Types include ammonia-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB).
The swim bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current water depth without having to waste energy in swimming. [1] A fish with swim bladder disorder can float nose down tail up, or can float to the top or sink to the bottom of the aquarium.
Reef tanks are usually kept at a temperature between 25 and 28 °C (77 and 82 °F). Radical temperature shifts should be avoided as these can be particularly harmful to reef invertebrates and fish. Depending on the location of the tank and the conditions therein (i.e. heat/air conditioning), one may install a heater and/or a chiller for the tank.
Berlin Method. The Berlin Method of biological filtration is a method for maintaining a clean and stable environment within a saltwater aquarium, typically a coral reef system. This method relies on the use of ample live rock (rock with live marine organisms and bacteria on or in it). The theory is that aerobic bacteria covering the surface of ...
Recirculating aquaculture system. Recirculating aquaculture systems (RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. [ 1 ] Other types of filtration and environmental control are often also necessary to maintain clean water and provide a ...
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 bladder ...
The conversion of nitrite to nitrate is facilitated by nitrite-oxidizing bacteria. The genus Nitrobacter is widely distributed in both aquatic and terrestrial environments. [ 2 ] Nitrifying bacteria have an optimum growth between 77 and 86 °F (25 and 30 °C), and cannot survive past the upper limit of 120 °F (49 °C) or the lower limit of 32 ...
Blue green algae growing on the substrate of a fresh water aquarium. Although colloquially called algae, blue-green algae(BGA) is a type of cyanobacteria. It can present with several different colors. While there are many BGA species, the most common type found in aquaria is referred to as "slime algae".
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