Angular rough shark vs Laysan Duck

Oxynotus centrina compared with Anas laysanensis

Key Differences

Angular rough shark is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Angular rough shark	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Anseriformes (Anseriformes)
Family	Oxynotidae	Anatidae
Genus	Oxynotus	Anas
Species	Oxynotus centrina	Anas laysanensis

Evolutionary Relationship

Angular rough shark and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Angular rough shark

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Angular rough shark	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular rough shark

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Laysan Duck

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.

Angular rough shark

The Angular rough shark (Oxynotus centrina) is a species in the genus Oxynotus. Native to Europe, inhabiting ecosystems characteristic of the region.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.