Sargassum plants are a nuisance on some beaches, but they are a shelter and a feast for a complex and amazing variety of marine life. A clump of sargassum weed the size of a soccer ball drifts ...

It is also key to supporting the life cycle of a number of threatened and ... first documented encounters with its strange mats of Sargassum in his expedition diaries back in 1492.

It is also key to supporting the life cycle of a number of threatened and ... first documented encounters with its strange mats of Sargassum in his expedition diaries back in 1492.