Haven't noticed any aggresive tendancies either, toward the scarlet hermits, snails, or corals. Each bag of WonderMud contains several to many specimens of Reef Amphipods, Mama Mia Worms, Baby Bristle Worms, baby shrimps as well as a very diverse assemblage of reef phytoplankton and zooplankton. Add WonderMud to existing sand substrate in new or established marine aquarium tanks to increase micro-biotic diversity. Add entire contents of bag including shipping water. Use immediately after opening shipping box.
Contents are alive and perishable.
Small, shrimplike crustaceans of the genus Grammarus which colonize live rocks in nature and graze diatoms and other forms of microalgae from the rock surface. Minimum of 20 specimens included. Use immediately after opening shipping box. Contents are alive and perishable. Add contents of bag directly to your new or established tank to boost invertebrate diversity.