Big Finner vs Flat Wrack

Balaenoptera physalus compared with Fucus spiralis

Key Differences

• Big Finner is Endangered while Flat Wrack is Least Concern.

Taxonomic Classification

Rank	Big Finner	Flat Wrack
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Phaeophyceae (Phaeophyceae)
Order	Cetacea (Whales & Dolphins)	Fucales (Fucales)
Family	Balaenopteridae (Rorquals)	Fucaceae
Genus	Balaenoptera (Rorquals)	Fucus
Species	Balaenoptera physalus	Fucus spiralis

Conservation Status

Big Finner

EN — Endangered

Flat Wrack

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Flat Wrack
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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).

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden