Barred eagle ray vs Big Finner

Aetomylaeus asperrimus compared with Balaenoptera physalus

Key Differences

• Barred eagle ray is Data Deficient while Big Finner is Endangered.

Taxonomic Classification

Rank	Barred eagle ray	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Myliobatidae	Balaenopteridae (Rorquals)
Genus	Aetomylaeus	Balaenoptera (Rorquals)
Species	Aetomylaeus asperrimus	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Barred eagle ray

DD — Data Deficient

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Barred eagle ray	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred eagle ray

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.

Barred eagle ray

The Barred eagle ray (Aetomylaeus asperrimus) is a species in the genus Aetomylaeus. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment.

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.