Sea stars are marine invertebrates that typically have five arms. There are around 1,900 known species of starfish, which live in waters of all climates. Some sea star species are able to shed their arms for defense and regenerate them over time.nnSpecifications:nnLimited quantity availablenPhotos shown are examples; each specimen will vary slightly in size, shape, color, etc.nJar Length 4.8 cm (1.9 in.)nJar Diameter 1.5 cm (0.6 in.)