Nutrition & Health

Using Commercial Feeds for the Culture of Freshwater Ornamental Fishes in Hawaii


Since 1993, various public and private institutions have supported the development of a freshwater ornamental industry in Hawai‘i which, based on current success, must be intensive and utilize the latest in culture technologies to remain competitive. Feeding and palatability trials using commercial feeds suggests that very little is understood about the nutritional requirements of the 1500 species that characterize the ornamental trade. Rather than focusing on a particular food for any one species, we examined feeds already developed for food fish to find whether they are suitable as feed for ornamental fish. Investigations on various aspects (price, palatability, color enhancement, growth supporting characteristics, maturation and spawning) of commercially available diets were conducted using a variety of species of freshwater ornamental fishes and form the basis for this report.


Clyde S. Tamaru1* and Harry Ako2

1University of Hawai‘i, School of Ocean Earth Science and Technology/Aquaculture Development Program, Sea Grant Extension Service, 2525 Correa Road, HIG 205, Honolulu, Hawai‘i 96822 USA

2University of Hawai‘i, College of Tropical Agriculture and Human Resources, Molecular Biosciences and Biosystems Engineering, 1955, East-West Road 511, Honolulu, Hawai‘i 96822 USA

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