Question: do trochus snails eat diatoms?
Answer: Trochus Snails. Eats Diatoms, Cyano, Algae and Detritus on the rocks and glass in your tank. ... Trochus snails consume film algae, hair algae, diatoms and some species of cyanobacteria. These snails are excellent for cleaning the rocks and glass of your aquarium, but tend to shy away from the sand.