The ideal treat food for goldfish tropical fish and marine fish. An adhesive food tablet that can be stuck to the aquarium glass allowing your fish to nibble in full view or allowed to sink to the bottom of the tank. These treats contain shrimp and krill which are favorites of all fish. To use press the flat side of the tablet onto the glass. If you only have one or two fish break the tablet into smaller pieces. Ideal to feed in combination with all other FishScience aquarium foods. Why not have a pack of both FishScience Treats to provide your fish with a healthy selection of foodJ