This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB Specimen of rock from the sponge beds of Anclote Key Florida This rock bears species of commercial and noncommercial sponges.jpeg check categories September Specimen of rock from the sponge beds of Anclote Key Florida This rock bears species of commercial and noncommercial sponges besides corals seafeathers starfishes