Bladder Wrack vs Flat Wrack

Fucus vesiculosus compared with Fucus spiralis

Taxonomic Classification

Rank	Bladder Wrack	Flat Wrack
Kingdom same	Chromista (Kromista)	Chromista (Kromista)
Phylum same	Ochrophyta (Ochrophyta)	Ochrophyta (Ochrophyta)
Class same	Phaeophyceae (Kahverengi algler)	Phaeophyceae (Kahverengi algler)
Order same	Fucales (Fucales)	Fucales (Fucales)
Family same	Fucaceae	Fucaceae
Genus same	Fucus	Fucus
Species	Fucus vesiculosus	Fucus spiralis

Evolutionary Relationship

Bladder Wrack and Flat Wrack share a common ancestor at the Genus level: Fucus.

Conservation Status

Bladder Wrack

LC — Least Concern

Flat Wrack

LC — Least Concern

Physical Characteristics

Attribute	Bladder Wrack	Flat Wrack
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Wrack

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Flat Wrack

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Africa (Morocco) and Europe (9 countries).

Bladder Wrack

The Bladder Wrack (Fucus vesiculosus) is a species in the genus Fucus. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden