A tunicate (Halocynthia pyriformis) having a yellow or orange-red color and a sandpapery surface, found in shallow water along the northern Atlantic coast of North America.

• 海梨：一种被囊类动物（海桃），体呈黄色或桔红色，表面粗糙，生活于北美洲北大西洋海岸的浅水区域中