Dwarf round ray vs Indo-Pacific Bottlenose Dolphin

Urotrygon nana compared with Tursiops aduncus

Taxonomic Classification

Rank	Dwarf round ray	Indo-Pacific Bottlenose 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	Tursiops (Bottlenose Dolphins)
Species	Urotrygon nana	Tursiops aduncus

Evolutionary Relationship

Dwarf round ray and Indo-Pacific Bottlenose Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Physical Characteristics

Attribute	Dwarf round ray	Indo-Pacific Bottlenose Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.