New Era Aquaculture Suction Cup Marine/Tropical Grazer 50 replacement suction cup mounts for the New Era Mini Marine Grazer feeding rings. MINI MarineGrazer is a unique feeding system for all marine grazing species, with its unique suction fixing generating natural feeding behaviour and giving the home aquarist enhanced viewing of their fish grazing. Suitable for all tropical marine grazing species including: Tangs, Surgeonfish, Rabbitfish, Butterflyfish and all Marine Angelfish.