Bat ray vs St. James' shell

Aetomylaeus maculatus compared with Pecten maximus

Key Differences

• Bat ray is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Bat ray	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Elasmobranchii	Bivalvia (Bivalvia)
Order	Myliobatiformes (Myliobatiformes)	Pectinida (Pectinida)
Family	Myliobatidae	Pectinidae
Genus	Aetomylaeus	Pecten
Species	Aetomylaeus maculatus	Pecten maximus

Evolutionary Relationship

Bat ray and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bat ray

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Bat ray	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bat ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

Bat ray

The Bat ray (Aetomylaeus maculatus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.