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TetraMin. Aquarium fish feed is plant or animal material intended for consumption by pet fish kept in aquariums or ponds. Fish foods normally contain macronutrients, trace elements and vitamins necessary to keep captive fish in good health. Approximately 80% of fishkeeping hobbyists feed their fish exclusively prepared foods that most commonly ...
The company was founded in 1970 by Josef Ravnak, [2] a fish food salesman. The name “Sera” is a combination of Ravnak's first name: Sepp (nickname for Josef), and his family name: Ravnak . Shortly after its founding, the company began to specialize in lyophilization , which preserves food animals with optimal retention of their nutrients ...
A number of medications and water treatments are used in this way. Salt is the most effective bath treatment, and is used to eliminate ciliated protozoan parasites (including ich in small fish); also used to curb the absorption of nitrite, and to reduce the osmotic pressure exerted by fresh-water on any hole in the skin or gill.
This 16th-century fish stall shows many traditional fish products. The term fish processing refers to the processes associated with fish and fish products between the time fish are caught or harvested, and the time the final product is delivered to the customer. Although the term refers specifically to fish, in practice it is extended to cover ...
A freshwater aquarium is a receptacle that holds one or more freshwater aquatic organisms for decorative, pet-keeping, or research purposes. Modern aquariums are most often made from transparent glass or acrylic glass. Typical inhabitants include fish, plants, amphibians, and invertebrates, such as snails and crustaceans. Tropical freshwater ...
The Tetra group employs over 700 colleagues, has representatives in more than 90 countries worldwide and is the largest manufacturer of aquaristic and pond products in the world. Apart from pet food, Tetra supplies fish keepers and pond owners with other products such as water conditioners, plant conditioners, technical equipment and medicinal ...
Aquarist. An aquarist in the process of designing a tank for educational purposes. An aquarist is a person who manages aquariums, [1] either professionally or as a hobby. [2] They typically care for aquatic animals, including fish and marine invertebrates. [3] Some may care for aquatic mammals. [4] Aquarists often work at public aquariums.
A macrophyte is a plant that grows in or near water and is either emergent, submergent, or floating. In lakes and rivers, macrophytes provide cover for fish, substrate for aquatic invertebrates, produce oxygen, and act as food for some fish and wildlife. [1] Macrophytes are primary producers and are the basis of the food web for many organisms. [2]