Key Features Pack of 3 Different sized Urchins Black colour Adds interest and colour to the tank Easy to add to any aquarium Genuine BiOrb New to the Oase BiOrb range are the realistic and fun looking Sea Urchins. Available in black, this pack of 3 small ornaments can be added to any Biorb or fish tank display to add interest and a decorative look. The ornaments can be placed around the base of the display to blend in with any pebbles or ornaments. All decorations should be rinsed prior to placing in a tank.
