Fucus natans Linnaeus, 1753 Sargassum natans is a species of brown algae in the family Sargassaceae.

[2]: 126 It occurs in the Sargasso Sea.

: 123  It is also pelagic[3] and reproduces by fragmentation.

[4]: 65  It, along with Sargassum fluitans, have been credited with plaguing beach tourism industry in Yucatán[5] and South Florida.

This Phaeophyceae (or brown alga) article is a stub.