Bat eagle ray vs Big Finner

Myliobatis californica compared with Balaenoptera physalus

Key Differences

• Bat eagle ray is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Bat 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	Myliobatis	Balaenoptera (Rorquals)
Species	Myliobatis californica	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Bat eagle ray

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Bat 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.

Bat eagle ray

The Bat eagle ray (Myliobatis californica) is a species in the genus Myliobatis. It is currently classified 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.