Arrowhead dogfish vs Longsnout dogfish

Deania profundorum compared with Deania quadrispinosa

Key Differences

• Arrowhead dogfish is Near Threatened while Longsnout dogfish is Vulnerable.

Taxonomic Classification

Rank	Arrowhead dogfish	Longsnout dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Centrophoridae	Centrophoridae
Genus same	Deania	Deania
Species	Deania profundorum	Deania quadrispinosa

Evolutionary Relationship

Arrowhead dogfish and Longsnout dogfish share a common ancestor at the Genus level: Deania.

Conservation Status

Arrowhead dogfish

NT — Near Threatened

Longsnout dogfish

VU — Vulnerable

Physical Characteristics

Attribute	Arrowhead dogfish	Longsnout dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead dogfish

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Portugal and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Longsnout dogfish

Arrowhead dogfish

The Arrowhead dogfish, Deania profundorum, is a species. It is currently assessed as near threatened on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.