Species profile
Saw Wrack
Fucus serratus
Identify Saw Wrack (Fucus serratus) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app.
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
Frequently asked questions
What is Saw Wrack?
Saw Wrack (Fucus serratus) is a marine alga with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.
What is the scientific name for Saw Wrack?
Saw Wrack is Fucus serratus.
Are there fishing rules for Saw Wrack?
Saw Wrack does not currently have published fishing rules in CatchRules' curated jurisdictions. Identification, range, and habitat are still tracked above.
How can I identify Saw Wrack?
Take a photo with the free CatchRules iPhone app — on-device identification recognizes Saw Wrack along with ~1,500 other species. No sign-up, unlimited use.
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.