Fish such as orfe consume goldfish eggs. Many popular aquarium fish such as goldfish and loaches have these structures. The common goldfish usually resembles the wild carp more closely than the comet goldfish. The common goldfish are often confused with comet goldfish, a distinct breed. Soon, people began donating other animals such as cranes, a peacock, and goldfish. Most varieties of fancy goldfish were derived from this simple breed. The trio changed their name to Feeder, after Grant's pet goldfish. Rotenone successfully achieved these aims, killing nearly 200,000 goldfish, and only three trout. In late 2005 Rome banned the use of goldfish and other animals as carnival prizes. Sometimes bouncy balls are substituted for goldfish. Goldfish, like all cyprinids, are egg-layers. Bubble Eyes have metallic scales, and they are similar to the celestial eye goldfish. This happens most often with selectively bred goldfish, which have a convoluted intestinal tract. The comet is more active than most other goldfish breeds. For every small/young goldfish, there should ideally be at least of water.