Image of the Day: Tiny Grazers

Algae-grazing sea urchins the size of a ping-pong ball, such as Echinometra viridis, could help reduce algal overgrowth in degraded coral reefs. 

The Scientist Staff
Jan 5, 2017

SMITHSONIAN TROPICAL RESEARCH INSTITUTE

 

 

(See C.D. Kuempel and A.H. Altieri, “The emergent role of small-bodied herbivores in pre-empting phase shifts on degraded coral reefs.” Scientific Reports, doi:10.1038/srep39670, 2017)