Bigelow's ray vs Harmless Serotine

Rajella bigelowi compared with Eptesicus innoxius

Key Differences

• Bigelow's ray is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Bigelow's ray	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Chiroptera (Bats)
Family	Rajidae	Vespertilionidae
Genus	Rajella	Eptesicus
Species	Rajella bigelowi	Eptesicus innoxius

Evolutionary Relationship

Bigelow's ray and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigelow's ray

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Bigelow's ray	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigelow's ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Portugal.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bigelow's ray

The Bigelow's ray (Rajella bigelowi) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.