Halloween Crab by WabbyTwaxx, on Flickr
Sea of Stars by Doug Perrine
Bioluminescence caused by phytoplankton on Vaadhoo Island in the Maldives
Thorny Devil, Moloch horridus (Googs Track, South Australia) by Andrew Alderson on Flickr.
(Source: ruinedchildhood, via ruinedchildhood)