Electric ray vs Harmless Serotine

Tetronarce californica compared with Eptesicus innoxius

Key Differences

• Electric ray is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Electric ray	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Chiroptera (Bats)
Family	Torpedinidae	Vespertilionidae
Genus	Tetronarce	Eptesicus
Species	Tetronarce californica	Eptesicus innoxius

Evolutionary Relationship

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

Conservation Status

Electric ray

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Electric ray	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Electric ray

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.