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2. Aquarium fish feeder - Wikipedia

   en.wikipedia.org/wiki/Aquarium_fish_feeder

   Fish feeders are usually clamped to the wall of the tank just over the water. Most designs consist of a hopper which is loaded with a variety of dry food, a timer which rotates the hopper at regular intervals (dispensing food in the process), and a method of setting the interval between feeding and the amount of food dispensed.

3. Recirculating aquaculture system - Wikipedia

   en.wikipedia.org/wiki/Recirculating_aquaculture...

   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 suitable habitat for fish. [2]

4. Aquatic feeding mechanisms - Wikipedia

   en.wikipedia.org/wiki/Aquatic_feeding_mechanisms

   Ram feeding and suction feeding are on opposite sides of the feeding spectrum, where extreme ram feeding is when a predator swims over an immobile prey item with open jaws to engulf the prey. Extreme suction feeding is demonstrated by sit-and-wait predators that rely on rapid depression of the jaws to capture prey (e.g., frogfish, Antennariidae).

5. Fish farming - Wikipedia

   en.wikipedia.org/wiki/Fish_farming

   Fish used in this system include catla and silver carp (surface feeders), rohu (a column feeder), and mrigal and common carp (bottom feeders). Other fish also feed on the excreta of the common carp, and this helps contribute to the efficiency of the system which in optimal conditions produces 3000–6000 kg of fish per hectare per year. [36]

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7. Feed manufacturing - Wikipedia

   en.wikipedia.org/wiki/Feed_Manufacturing

   Today technology to process these types of feed is based on fish feed extruder machines. Fish feed extruder is essential for vegetable protein processing. Particle size influences feed digestibility. The particle sizes of fish pellet feed are influenced by both grain properties and the milling process.

8. Fish hatchery - Wikipedia

   en.wikipedia.org/wiki/Fish_hatchery

   A fish hatchery is a place for artificial breeding, hatching, and rearing through the early life stages of animals—finfish and shellfish in particular. [1] Hatcheries produce larval and juvenile fish , shellfish , and crustaceans , primarily to support the aquaculture industry where they are transferred to on-growing systems, such as fish ...

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