Linked from
The 19 pages that link to Coral, each with the reason it gives.
AtollRelated: Reef-building corals construct much of an atoll's framework.
BuddingRelated: Many coral colonies expand as new polyps bud from existing polyps.
ZooxanthellaeRelated: Reef-building corals are among the best-known hosts of zooxanthellae.
Linckia laevigataRelated: Corals form much of the habitat where this sea star forages and shelters.