Cazón espinoso común vs Cazón aguijón cubano

Squalus acanthias compared with Squalus cubensis

Key Differences

• Cazón espinoso común is Endangered while Cazón aguijón cubano is Least Concern.

Taxonomic Classification

Rank	Cazón espinoso común	Cazón aguijón cubano
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus acanthias	Squalus cubensis

Evolutionary Relationship

Cazón espinoso común and Cazón aguijón cubano share a common ancestor at the Genus level: Squalus.

Conservation Status

Cazón espinoso común

EN — Endangered

Cazón aguijón cubano

LC — Least Concern

Physical Characteristics

Attribute	Cazón espinoso común	Cazón aguijón cubano
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cazón espinoso común

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cazón aguijón cubano

Habitat

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

Range

Found in Venezuela.

Cazón espinoso común

The Blue Dog (Squalus acanthias) is a species in the genus Squalus. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.