Blue-nosed ray vs Gianna’s Yellow-shouldered Bat

Myliobatis freminvillei compared with Sturnira giannae

Key Differences

• Blue-nosed ray is Vulnerable while Gianna’s Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	Blue-nosed ray	Gianna’s Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Chiroptera (Bats)
Family	Myliobatidae	Phyllostomidae
Genus	Myliobatis	Sturnira
Species	Myliobatis freminvillei	Sturnira giannae

Evolutionary Relationship

Blue-nosed ray and Gianna’s Yellow-shouldered Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue-nosed ray

VU — Vulnerable

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Blue-nosed ray	Gianna’s Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-nosed ray

Habitat

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

Range

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

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Blue-nosed ray

The Blue Nosed Ray (Myliobatis freminvillei) is a species in the genus Myliobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.