One Stop Aquatics Malaysian Trumpet Snails (MTS) from Shrimp Boutique Will not eat your plants (Snails ship 1/4" - 5/8" in size) The Malaysian Trumpet Snail feeds on detritus and leftover food that is underneath the substrate Great for aerating the substrate. Substrate aeration is a great benefit to planted aquariums as it promotes air exchange and root growth. The Malaysian Trumpet Snail reproduces live young and does not lay eggs Hardy. Harmless. Hard to kill. Hard-working.