Coral reefs provide food and shelter to many ocean organisms, and oceanic organisms other than fish, such as manatees and clams, are also subjects of the poems. Given these facts, what provides food and shelter to many fish among the following options:
- coral reefs
 - deltas
 - hermit crabs
 - ocean sand
 - dried coral
 - swamp vegetation
 - salt and water.
 - loose soil


 

 coral reefs        