The freshwater angelfishes (Pterophyllum) are South American cichlids that originate from the Guyana, and the Orinoco and Amazon River basins. In the wild, their reproductive season is around January, at a water tempera- ture between 28 and 30°C. Angelfishes are very popular among aquarists all over the world, yet scarce information on their culture and aquarium husbandry exists (Axelrod & Shaw 1967, Pérez 1984), and little has been reported regarding scientific measurements of its growth and fecundity (Martty 1977). Nutrition has an important influence on growth and reproductive potential of aquarium fishes, and live foods are often advocated as a means to enhance these