Indonesian shortsnout spurdog vs Japanese spurdog

Squalus hemipinnis compared with Squalus japonicus

Key Differences

• Indonesian shortsnout spurdog is Vulnerable while Japanese spurdog is Endangered.

Taxonomic Classification

Rank	Indonesian shortsnout spurdog	Japanese spurdog
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (катранообразные)	Squaliformes (катранообразные)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus hemipinnis	Squalus japonicus

Evolutionary Relationship

Indonesian shortsnout spurdog and Japanese spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Indonesian shortsnout spurdog

VU — Vulnerable

Japanese spurdog

EN — Endangered

Physical Characteristics

Attribute	Indonesian shortsnout spurdog	Japanese spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indonesian shortsnout spurdog

Japanese 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.