pearler
— Noun
– English
~ a diver who searches for molluscs containing pearls
pearlescent
— Adjective
– English
~ having a play of lustrous rainbow colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"
pearlfish
— Noun
– English
~ found living within the alimentary canals of e.g. sea cucumbers or between the shells of pearl oysters in or near shallow seagrass beds