Dusky Dolphin vs Taiwan spurdog

Lagenorhynchus obscurus compared with Squalus formosus

Key Differences

• Dusky Dolphin is Least Concern while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	Taiwan spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Squaliformes (Squaliformes)
Family	Delphinidae (Oceanic Dolphins)	Squalidae
Genus	Lagenorhynchus	Squalus
Species	Lagenorhynchus obscurus	Squalus formosus

Evolutionary Relationship

Dusky Dolphin and Taiwan spurdog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Dolphin

LC — Least Concern

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Taiwan spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Taiwan spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.