![](http://www.alamy.com/thumbs/6/828A8D4E-388D-481B-8AF1-2729B796A748/2RNNBHB.jpg)
Dense growth of stony corals (Acropora nobilis (right) and Acropora sp.) at Whitsunday islands, Great Barrier Reef, Australia.
Size: 4838px × 3157px
Photo credit: © Alf Jacob Nilsen / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: acropora, acroporidae, anthozoa, australia, australia2004, barrier, cnidaria, coral, corals, great, hard, hexacorallia, islands, nesledyr, nobilis, reef, scleractinia, stony, whitsunday