Challenger skate vs Harmless Serotine

Rajella challengeri compared with Eptesicus innoxius

Key Differences

• Challenger skate is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Challenger skate	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 challengeri	Eptesicus innoxius

Evolutionary Relationship

Challenger skate and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Challenger skate

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Challenger skate	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Challenger skate

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.

Challenger skate

The Challenger skate (Rajella challengeri) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List.