User:PE054/citing sources

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

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0184311



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.

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0184311

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5606932/