A starfish, a sea lily, a shrimp and a gorgonian, a type of soft coral, form a colorful group deep in the ocean. [Photo provided to chinadaily.com.cn] 

Two red shrimp and a sea lily cling to a huge sponge in the ocean. [Photo provided to chinadaily.com.cn] 

Three flytrap sea anemones and a tube sponge grow together deep in the Pacific Ocean. [Photo provided to chinadaily.com.cn]