Dwarf round ray vs Fraser's dolphin

Urotrygon nana compared with Lagenodelphis hosei

Key Differences

• Dwarf round ray is Near Threatened while Fraser's dolphin is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Fraser's dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Urotrygonidae	Delphinidae (Oceanic Dolphins)
Genus	Urotrygon	Lagenodelphis
Species	Urotrygon nana	Lagenodelphis hosei

Evolutionary Relationship

Dwarf round ray and Fraser's dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Fraser's dolphin

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Fraser's dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Fraser's dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal), and South America (Colombia, Ecuador, Venezuela).