10 Blue/Silver Ramshorn Snails (Algae-eaters - Safe for Fish, Plants, and Shrimp) by Aquatic Arts&trade; All Aquatic Arts (formerly InvertObsession) brand plants and animals come with a 100% live arrival guarantee, plus free email support directly from the owners! The color of the snail's body ranges red to maroon/purple. Can grow to over 2 inches in diameter - one of the largest ramshorn snails. Totally safe for plants.