Maximize nutrition for your large piscivorous (fish eating) aquarium fish with less mess. Hikari frozen Silversides boast the Bio-Pure 3-step sterilization process for unequalled product quality. Hikari Silversides are free of parasites, harmful bacteria, and foul odor. These frozen silversides are packaged to allow easy separation of individual whole fish for greater mess-free feeding. Vitamin-enriched silversides packed in pure water are processed through a special freezing process to ensure superior quality and to retain natural color, shape, and nutritional benefits. Available in a 4 oz flat pack with Small 1silversides (approximate size) or a 16 oz flat pack with Large 1-1/2 - 2 silversides (approximate size).