Blacktail spurdog vs Fraser's dolphin

Squalus melanurus compared with Lagenodelphis hosei

Key Differences

• Blacktail spurdog is Data Deficient while Fraser's dolphin is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Fraser's 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	Lagenodelphis
Species	Squalus melanurus	Lagenodelphis hosei

Evolutionary Relationship

Blacktail spurdog and Fraser's dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Fraser's dolphin

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Fraser's dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

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).

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.