Blackish skate vs Harmless Serotine

Rajella nigerrima compared with Eptesicus innoxius

Key Differences

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

Taxonomic Classification

Rank	Blackish 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 nigerrima	Eptesicus innoxius

Evolutionary Relationship

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

Conservation Status

Blackish skate

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Blackish skate

Habitat

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

Range

Found in Chile.

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.

Blackish skate

The Blackish skate (Rajella nigerrima) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.