Angular rough shark vs Napo Spiny-rat

Oxynotus paradoxus compared with Proechimys quadruplicatus

Key Differences

• Angular rough shark is Vulnerable while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Angular rough shark	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Oxynotidae	Echimyidae
Genus	Oxynotus	Proechimys
Species	Oxynotus paradoxus	Proechimys quadruplicatus

Evolutionary Relationship

Angular rough shark and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Angular rough shark

VU — Vulnerable

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Angular rough shark	Napo Spiny-rat
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 Norway and Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Angular rough shark

The Angular rough shark (Oxynotus paradoxus) is a species in the genus Oxynotus. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.