Underwater Galleries Large Cichlid Stone - Boulder is one of the three large stone shapes we have available. It, like all the Large Cichlid Stones, are great for giving rock piles quick height.
*only one opening to create a defensible cave space
*100% earth-friendly ceramic
* hole size 2.25" tall hand cut
* all products hand glazed 
*size - 7.5" long x 5" tall x 4" deep
* available separately here, or in the 8 and 10 Stone Kits