arrow-finned squid vs Eurasian beaver

Illex oxygonius compared with Castor fiber

Key Differences

• arrow-finned squid is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	arrow-finned squid	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Cephalopoda (Cephalopods)	Mammalia (Mammals)
Order	Oegopsida (Oegopsida)	Rodentia (Rodents)
Family	Ommastrephidae	Castoridae (Beavers)
Genus	Illex	Castor (Beavers)
Species	Illex oxygonius	Castor fiber

Evolutionary Relationship

arrow-finned squid and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow-finned squid

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	arrow-finned squid	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow-finned squid

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

arrow-finned squid

The Arrow-finned squid, Illex oxygonius, is a species. It is currently assessed as least concern on the IUCN Red List.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.