腹足纲，中腹足目，凤凰螺科，蜘蛛螺属。分布于印度至太平洋西部。生活于热带和亚热带海区，从潮间带至浅海沙、泥沙和珊瑚礁环境中均有栖息，以藻类和有机碎屑为食。
学名：Lambis lambis
英文名：Smooth Spider Conch
This species belongs to the family of Strombidae,order of Mesogastropoda,also known as common conch.Distributed in India to the western Pacific,it lives in tropical and subtropical seas, from the intertidal zone to the shallow sand, sediment and coral reef environment.It mainly lives on algae and organic debris.