Freeze Dried Tubifex Worm Cubes. Aquatic Foods Freeze Dried Tropical Fish Foods Please note: All product photos are not exact, product color and sizes may vary a little Healthy natural nutritional foods - An ideal substitute to live and frozen fish food Small to medium size tubifex worm cubes with No aditives, no chemicals and no preservatives Fantastic, fresh and higher standared tubifex worm. Made in USA Freeze Dried Tubifex is a high protein content fish food, which can be fed as part as a staple diet