You searched for: “ammochthophily
ammochthophily (s) (noun), ammochthophilies (pl)
A tendency of an organism to exist on banks of sand or sand banks: Ammochthophily is a liking for seabirds for shallow sandy banks as a place for feeding grounds.

A situation of ammochthophily can be exemplified by burrowing worms or crustaceans, mysid shrimps, crabs and fish.