Florida Marine Research SFM77771 6-Pack Hermit Crab Coral Pieces for Aquarium, 2-Ounce Great coral pieces in bright colors to add decoration for your hermit crab tank and also extra calcium for your crabs watch them to eat it A nice selection of coral that has been packaged just for pet hermit crabs An assortment of sizes and colors which will enhance the look of the habitat Available in 2-ounce capacity Includes 6-piece per pack