Fucus is a genus of brown algae found in the intertidal zones of rocky seashores almost throughout the world. See more

The thallus is perennial with an irregular or disc-shaped holdfast or with haptera. The erect portion of the thallus is dichotomous or subpinnately branched, flattened and with a distinct midrib. Gas-filled pneumatocysts (air-vesicles) … See more

Species of Fucus are recorded almost worldwide. They are dominant on the shores of the British Isles, the northeastern coast of North America and California.
In the British Isles these larger brown algae occur on sh… See more

In Scotland and Norway, up until the mid-19th century, several seaweed species from Fucus and other genera were harvested, dried, burned to ash, and further processed to become "kelp", which was a type of soda ash that … See more

The seaweed fly, Coelopa frigida, together with other species of Coelopa, are known to feed, mate, and create habitats out of different species of Fucus. This is of particular notice when the Fucus is stranded o… See more

This list of species of Fucus excludes names of uncertain status:
• Fucus atomarius (Woodward) Bertoloni
• Fucus ceranoides L. – horned wrack *
• Fucus chalonii Feldmann… See more