Aquatic Arts 5 Bright Red Ramshorn Snails (1/4 to 1 inch diameter) - Algae-eaters and safe for fish, plants, and shrimp All InvertObsession brand plants and animals (sold by Aquatic Arts) come with a 100% live arrival guarantee, plus free email support directly from the owners! The snail's body is always bright red or pink. Can grow up to 2 inches in diameter when fully grown! Fantastic algae eaters! Will not eat living plants. Reproduces easily in freshwater aquariums. Great live food starter colony for puffers/etc!