High protein content and extreme palatability make Omega One Tubifex Worms are ideal for most fresh and marine species. Particularly fascinating is the ability of this cubed product to be moistened and then "stuck" to the inside glass of an aquarium. The result is a feeding frenzy of unmatched excitement. Children, as well as adults, will find this incredibly fun and entertaining. Tubifex Worms are rich in vitamins and minerals. They are as nutritious as live foods without the risk of bacteria or parasites. High in natural protein for healthy growth, and contains natural pigments for strong color enhancement.