Spotted cleaner shrimp (Periclimenes yucatanicus) on a green sea anemone (Actiniaria), Puerto Galera, Philippines.

actiniaria anemone anemone shrimp animal animal themes animals in the wild anthozoa aquatic arthropod caridea cleaner shrimp close up cnidaria color image crustacean day decapoda ecology focus on foreground green horizontal ichthyology macro malacostraca marine biology mutualism no people one animal outdoors palaemonidae parasitism periclimenes yucatanicus philippines photography polyp puerto galera sea anemone sea life shrimp side view spotted cleaner shrimp symbiosis symbiotic relationship tentacle undersea underwater wildlife zoology