Features Water proof with suction cup for “in tank” feeding Tighter grip zone for better hold For feeding marine or freshwater tropical fish Perfect for vacation feeding The Feeding Frenzy™ Seaweed Clip is an excellent tool for feeding the SEAWEED SELECTS™, a dried macro algae, from Ocean Nutrition™. The clip is designed for underwater use and has a suction cup for attachment to the inside surface of the aquarium glass or acrylic tank. The clip holds the seaweed for fish to graze upon and helps promote a natural feeding behavior.