Blacktail spurdog vs Indo-Pacific Bottlenose Dolphin

Squalus melanurus compared with Tursiops aduncus

Key Differences

• Blacktail spurdog is Data Deficient while Indo-Pacific Bottlenose Dolphin is Near Threatened.

Taxonomic Classification

Rank	Blacktail spurdog	Indo-Pacific Bottlenose Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Cetacea (Whales & Dolphins)
Family	Squalidae	Delphinidae (Oceanic Dolphins)
Genus	Squalus	Tursiops (Bottlenose Dolphins)
Species	Squalus melanurus	Tursiops aduncus

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Physical Characteristics

Attribute	Blacktail spurdog	Indo-Pacific Bottlenose Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

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.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.