Underwater Photo from Krabi Province, Thailand.
Photograph Copyright © 2008 Kasma Loha-unchit
Please do not use without permission.
Porcupine-like Sea Urchin: Here's a more unusual type of sea urchin – usually you see the kind with black spines.
Note: All pictures in this sequence were taken by Kasma Loha-unchit in December 2008 and January 2009 in Krabi Province, Thailand. Most of them were taken in Phi Phi National Park with 8 taken at Koh Poda (Boda Island) and 3 at Koh Gai (Chicken Island). You may also enjoy Kasma's other underwater photos.