Sargassum hystrix
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Fucales
- family: Sargassaceae
- genus: Sargassum
- species: Sargassum hystrix
Boca de Yuma
La Altagracia
Dominican RepublicPointe-Noire
Guadeloupe
GuadeloupeLa Parguera
LajasLuquillo
LuquilloEl Negro
Yabucoa
Puerto RicoCoconut Grove
Florida
United States