Cymothoa oestrum
- kingdom: Animalia
- phylum: Arthropoda
- class: Malacostraca
- order: Isopoda
- family: Cymothoidae
- genus: Cymothoa
- species: Cymothoa oestrum
Four Cross Roads
Saint John
Barbados
Montego Bay
St. James
Jamaica
La Parguera
Lajas
Puerto Rico
Key West
Florida- Port Aransas
Texas
United States
Charlotte Amalie
Saint Thomas Island
Virgin Islands, U.S.