[Fish nutrition. Brief review for the practitioner regarding food and ornamental fish]

In behalf of the practitioner a short survey is given about nutrition of fish and shrimps. Interrelations between fish development and influences by their water ecosystem concerning temperature, mineral and gas levels, waterflow et cetera together with the supply of food are mentioned. Further comments are given about common nutritional needs of different species in connection with growth, bodyweight et cetera and purpose of fishkeeping for instance for consumption, reproduction or ornamentally in different systems from aquarium to lagoon. More specifically feed formulation from raw materials to complete diets and nutritional analyses in respect to allowances for maintenance and growth are discussed. Data about fresh- and saltwater species from tropical to arctic circumstances mentioning trout, salmon, catfish, carp, sea bass, shrimp et cetera are given. Some remarks about manufacturing, and application of complete compound feeds are added to the survey. In behalf of further study or for enhancement of knowledge a number of books are recommended in a list of references.