Black seaweed is found in more treacherous areas. It needs nutrients that only come from lots of moving water. Dundas harvests about 50 gallons to share with family and friends.

On some beaches in Florida, the "blobs" of crunchy, dry, brown stinky seaweed are fairly large. In one of our photo galleries below, you'll see a small "mountain" of sargassum seaweed, and a black ...

In Brittany, France seaweed gathering dates back to Neolithic times and holds a prominent place in the history of the coastal people. Watch as present day Bretons celebrate this rich tradition.

Reports from Key West, Fort Lauderdale and other South Florida communities show clumps of brown seaweed piled up along what are usually white, sandy beaches.

On some beaches in Florida, the "blobs" of crunchy, dry, brown stinky seaweed are fairly large. In one of our photo galleries, you'll see a small "mountain" of sargassum seaweed, and a black dog ...