Black roughscale catshark vs Canadian Otter

Apristurus melanoasper compared with Lontra canadensis

Taxonomic Classification

Rank	Black roughscale catshark	Canadian Otter
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Chondrichthyes (软骨鱼纲)	Mammalia (哺乳動物)
Order	Carcharhiniformes (真鲨目)	Carnivora (食肉目)
Family	Scyliorhinidae	Mustelidae (Weasels & Otters)
Genus	Apristurus	Lontra
Species	Apristurus melanoasper	Lontra canadensis

Evolutionary Relationship

Black roughscale catshark and Canadian Otter share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Black roughscale catshark

LC — Least Concern

Canadian Otter

LC — Least Concern

Physical Characteristics

Attribute	Black roughscale catshark	Canadian Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.