Sargassum hystrix
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Fucales
- family: Sargassaceae
- genus: Sargassum
- species: Sargassum hystrix
Boca de Yuma
La Altagracia
Dominican Republic
Pointe-Noire
Guadeloupe
Guadeloupe
La Parguera
Lajas- Luquillo
Luquillo- El Negro
Yabucoa
Puerto Rico
Coconut Grove
Florida
United States
Nassau