Urchins
Blue Tuxedo Sea Urchin - Mespilia globulis
The Blue Tuxedo Urchin is an excellent algae eater that helps control algae growth in the reef tank. It's covered in spines but is generally considered reef safe. These urchins are popular in the hobby for their striking blue coloration and algae-eating capabilities.
Halloween Urchin - Tripneustes gratilla
This is a Halloween urchin captured in the middle of a tug-of-war with a Xenia colony. It's a short-spine multi-color urchin with striking Halloween-like colors. Tripneustes gratilla is known for its vibrant coloration and is a popular urchin in the reef hobby.
