Arum Rust vs Big Finner

Puccinia sessilis compared with Balaenoptera physalus

Key Differences

• Arum Rust is Not Evaluated while Big Finner is Endangered.

Taxonomic Classification

Rank	Arum Rust	Big Finner
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Pucciniomycetes (Pucciniomycetes)	Mammalia (Mammals)
Order	Pucciniales (Pucciniales)	Cetacea (Whales & Dolphins)
Family	Pucciniaceae	Balaenopteridae (Rorquals)
Genus	Puccinia	Balaenoptera (Rorquals)
Species	Puccinia sessilis	Balaenoptera physalus

Conservation Status

Arum Rust

NE — Not Evaluated

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Arum Rust	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arum Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Arum Rust

Arum rust (Puccinia sessilis) is a species in the genus Puccinia. Native to Europe, inhabiting ecosystems characteristic of the region.

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 4 countries:

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