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  2. Raceway (aquaculture) - Wikipedia

    en.wikipedia.org/wiki/Raceway_(aquaculture)

    Self-cleaning can sometimes be achieved if the fish stocks density is sufficiently high and the water level is sufficiently low. For example, if trout are stocked at 20 kilograms per cubic metre, they can keep the raceway unit clean by their swimming movements, preventing waste solids from settling to the raceway floor. [3] [4]

  3. Fish pond - Wikipedia

    en.wikipedia.org/wiki/Fish_pond

    Though fish ponds required maintenance to keep them healthy, [1] they were an elegant way of giving monasteries and noble houses access to fresh fish. Some of the more popular species of fish farmed in fish ponds were carp and pike. From the 14th century onward these fish proved to be a popular feature of artificial fish ponds. [1]

  4. Cleaner fish - Wikipedia

    en.wikipedia.org/wiki/Cleaner_fish

    Cleaning stations are a strategy used by some cleaner fish where clients congregate and perform specific movements to attract the attention of the cleaner fish. Cleaning stations are usually associated with unique topological features, such as those seen in coral reefs [1] and allow a space where cleaners have no risk of predation from larger ...

  5. Fishkeeping - Wikipedia

    en.wikipedia.org/wiki/Fishkeeping

    An aquascaped freshwater aquarium. Fishkeeping is a popular hobby, practiced by aquarists, concerned with keeping fish in a home aquarium or garden pond.It is a practice that encompasses the art of maintaining one's own aquatic ecosystem, featuring a lot of variety with various water systems, all of which have their own unique features and requirements.

  6. Cleaning symbiosis - Wikipedia

    en.wikipedia.org/wiki/Cleaning_symbiosis

    Cleaning symbiosis is well-known among marine fish, where some small species of cleaner fish, notably wrasses but also species in other genera, are specialised to feed almost exclusively by cleaning larger fish and other marine animals. Other cleaning symbioses exist between birds and mammals, and in other groups. Cleaning behaviour was first ...

  7. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    In a symbiotic relation the plants provide the oxygen needed for underwater organisms to proliferate, and in exchange the filter feeders keep the water clean and thus clear enough for plants to have sufficient access to sunlight. Researchers have proposed oxygenation through artificial means as a solution to help improve water quality.

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