Mytilus edulis - the scientifically-proven superfood for Puffers & Boxfish! Mussels are a beloved snack for many marine species and an essential part of their diets. As a secondary food, it's immensely nutritious and sure to be a hit with pufferfish and boxfish! It'll not only supply them with essential vitamins and minerals, but also help them keep their energy high and their colors vibrant. A must-have for any saltwater tank! Perfect for: Boxfish, Puffers, Triggers, Groupers, Eels, Lionfish, Angels, Butterflies, Snappers, Squirrelfish, Wrasses, Tusks, Hawkfish and more!