Bladder Wrack vs Harmless Serotine

Fucus vesiculosus compared with Eptesicus innoxius

Key Differences

• Bladder Wrack is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Bladder Wrack	Harmless Serotine
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Phaeophyceae (Phaeophyceae)	Mammalia (Mammals)
Order	Fucales (Fucales)	Chiroptera (Bats)
Family	Fucaceae	Vespertilionidae
Genus	Fucus	Eptesicus
Species	Fucus vesiculosus	Eptesicus innoxius

Conservation Status

Bladder Wrack

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Bladder Wrack	Harmless Serotine
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.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.