Big Finner vs marbled electric ray

Balaenoptera physalus compared with Torpedo marmorata

Key Differences

• Big Finner is Endangered while marbled electric ray is Not Evaluated.

Taxonomic Classification

Rank	Big Finner	marbled electric ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Torpediniformes (electric ray)
Family	Balaenopteridae (Rorquals)	Torpedinidae
Genus	Balaenoptera (Rorquals)	Torpedo
Species	Balaenoptera physalus	Torpedo marmorata

Evolutionary Relationship

Big Finner and marbled electric ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

marbled electric ray

NE — Not Evaluated

Physical Characteristics

Attribute	Big Finner	marbled electric ray
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.

marbled electric ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden