Can O' Cyclops 3.2 Oz - Small Fish, Coral & Invert Food Cyclopeeze - Zoo Med A Great Cyclopeeze Substitute Great for small marine fish, invertebrates (including corals) and nano shrimp. Excellent for fry and small aquarium fish including Tetras, Barbs, Guppies, Danios, Bettas, Killifish, etc. Fresh Cyclops are "cooked in the can" to lock in nutrients Great for Saltwater Marine & Freshwater Fry & Smaller Fish.