Black roughscale catshark vs 來珊鴨

Apristurus melanoasper compared with Anas laysanensis

Key Differences

• Black roughscale catshark is Least Concern while 來珊鴨 is Critically Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	來珊鴨
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)	Aves (鳥綱)
Order	Carcharhiniformes (真鲨目)	Anseriformes (雁形目)
Family	Scyliorhinidae	Anatidae
Genus	Apristurus	Anas
Species	Apristurus melanoasper	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

來珊鴨

CR — Critically Endangered

Physical Characteristics

Attribute	Black roughscale catshark	來珊鴨
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.

來珊鴨

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

來珊鴨

莱桑鸭（Anas laysanensis）被IUCN红色名录列为极危（CR）物种。由于种群数量严重下降和栖息地丧失，该物种在野外灭绝的风险极高。