Granular dogfish vs Ookasumizame

Centroscyllium granulatum compared with Centroscyllium excelsum

Key Differences

• Granular dogfish is Vulnerable while Ookasumizame is Near Threatened.

Taxonomic Classification

Rank	Granular dogfish	Ookasumizame
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (ツノザメ目)	Squaliformes (ツノザメ目)
Family same	Etmopteridae	Etmopteridae
Genus same	Centroscyllium	Centroscyllium
Species	Centroscyllium granulatum	Centroscyllium excelsum

Evolutionary Relationship

Granular dogfish and Ookasumizame share a common ancestor at the Genus level: Centroscyllium.

Conservation Status

Granular dogfish

VU — Vulnerable

Ookasumizame

NT — Near Threatened

Physical Characteristics

Attribute	Granular dogfish	Ookasumizame
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Granular dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

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

Ookasumizame