Bartail spurdog vs beaded chestnut

Squalus notocaudatus compared with Agrochola lychnidis

Key Differences

• Bartail spurdog is Least Concern while beaded chestnut is Near Threatened.

Taxonomic Classification

Rank	Bartail spurdog	beaded chestnut
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Squaliformes (Squaliformes)	Lepidoptera (Butterflies & Moths)
Family	Squalidae	Noctuidae
Genus	Squalus	Agrochola
Species	Squalus notocaudatus	Agrochola lychnidis

Evolutionary Relationship

Bartail spurdog and beaded chestnut share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bartail spurdog

LC — Least Concern

beaded chestnut

NT — Near Threatened

Physical Characteristics

Attribute	Bartail spurdog	beaded chestnut
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

beaded chestnut

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.

beaded chestnut

The Beaded chestnut (Agrochola lychnidis) is a species in the genus Agrochola. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.