Blacktail spurdog vs Eastern highfin spurdog

Squalus melanurus compared with Squalus albifrons

Key Differences

• Blacktail spurdog is Data Deficient while Eastern highfin spurdog is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Eastern highfin spurdog
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (อันดับปลาฉลามหลังหนาม)	Squaliformes (อันดับปลาฉลามหลังหนาม)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus albifrons

Evolutionary Relationship

Blacktail spurdog and Eastern highfin spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Blacktail spurdog

DD — Data Deficient

Eastern highfin spurdog

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Eastern highfin spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

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.