Explore Derek Keats' photos on Flickr. Derek Keats has uploaded 15020 photos to Flickr.
Explore Derek Keats' photos on Flickr. Derek Keats has uploaded 15006 photos to Flickr.
Lithophillum flavescens (yellow) and L. insipidum (mottled bluish colour) with Hydrolithon onkodes (pink in the upper right corner).
Pneophyllum conicum, one of the few coralline algae that can overgrow live coral.