Dwarf round ray vs Perrin’s Beaked Whale

Urotrygon nana compared with Mesoplodon perrini

Key Differences

• Dwarf round ray is Near Threatened while Perrin’s Beaked Whale is Endangered.

Taxonomic Classification

Rank	Dwarf round ray	Perrin’s Beaked Whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Urotrygonidae	Hyperoodontidae
Genus	Urotrygon	Mesoplodon
Species	Urotrygon nana	Mesoplodon perrini

Evolutionary Relationship

Dwarf round ray and Perrin’s Beaked Whale share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Perrin’s Beaked Whale

EN — Endangered

Physical Characteristics

Attribute	Dwarf round ray	Perrin’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Perrin’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.