References ==== Reflist

Diogenes heteropsammicola is a species of hermit crab that lives within "walking corals" of the genera Heterocyathus and Heteropsammia.[1]

 
Diogenes heteropsammicola in a walking coral (left) and swimming freely (right)

These coral have an internal cavity that is typically occupied by a symbiotic sipunculan worm; in the crab's habitat in the Ōshima Straight south of Amami Ōshima, it is often found inside the corals instead.

[2]

  1. ^ 10.1371/journal.pone.0184311
  2. ^ 10.1371/journal.pone.0184311