Hikari Tropical Mini Algae WafersIdeal for Most Herbivores A Scientific Diet For Plecostomus And Other Algae Eating Fishes, Including Marine Herbivores. Features: A perfect balance of premium select ingredients developed to promote proper growth and desirable form in most herbivorous species. Contains higher levels of vegetable proteins plecostomus and other algae eaters require. Great for snails, crustaceans and other vegetable craving fish too. The uniquely shaped disc that sinks