Eastern longnose spurdog vs Indonesian greeneye spurdog

Squalus grahami compared with Squalus montalbani

Key Differences

• Eastern longnose spurdog is Near Threatened while Indonesian greeneye spurdog is Vulnerable.

Taxonomic Classification

Rank	Eastern longnose spurdog	Indonesian greeneye spurdog
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus grahami	Squalus montalbani

Evolutionary Relationship

Eastern longnose spurdog and Indonesian greeneye spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Eastern longnose spurdog

NT — Near Threatened

Indonesian greeneye spurdog

VU — Vulnerable

Physical Characteristics

Attribute	Eastern longnose spurdog	Indonesian greeneye spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern longnose spurdog

Indonesian greeneye spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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