Argus skate vs Big Finner

Dentiraja polyommata compared with Balaenoptera physalus

Key Differences

• Argus skate is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Argus skate	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Cetacea (Whales & Dolphins)
Family	Rajidae	Balaenopteridae (Rorquals)
Genus	Dentiraja	Balaenoptera (Rorquals)
Species	Dentiraja polyommata	Balaenoptera physalus

Evolutionary Relationship

Argus skate and Big Finner share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Argus skate

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Argus skate	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Argus skate

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.

Argus skate

The Argus skate, Dentiraja polyommata, is a species. It is currently assessed as least concern on the IUCN Red List.

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.