Species profile
Saw Wrack
Fucus serratus
Brown algae/kelps5.0K iNat observations
At a glance
Saw Wrack (Fucus serratus) is a marine alga with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.
Confirmed by 820 research-grade iNaturalist observations, with Nova Scotia, Prince Edward Island, and New Brunswick the top jurisdictions by observation count.
Notable details
- The only common Fucus species without air bladders, relying entirely on water buoyancy instead.
- Its frond edges are distinctly serrated like a saw blade, giving it its common name.
- Can grow to about 60 cm (2 feet) on sheltered rocky shores.
- Found lower in the intertidal zone than bladder wrack, spending more time submerged.
- Common in sheltered bays and estuaries throughout the North Atlantic.
Where Saw Wrack are seen
Background
Fucus serratus is a seaweed of the north Atlantic Ocean, known as toothed wrack or serrated wrack.
Background excerpt adapted from Wikipedia's Saw Wrack article (CC BY-SA). Visit Wikipedia for the full entry.
Other brown algae/kelps on CatchRules
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.