arrow-finned squid vs Brook Alder

Illex oxygonius compared with Alnus maritima

Key Differences

• arrow-finned squid is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	arrow-finned squid	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Cephalopoda (Cephalopods)	Magnoliopsida (Dicots)
Order	Oegopsida (Oegopsida)	Fagales (Beeches & Oaks)
Family	Ommastrephidae	Betulaceae
Genus	Illex	Alnus
Species	Illex oxygonius	Alnus maritima

Conservation Status

arrow-finned squid

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	arrow-finned squid	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow-finned squid

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered 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.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.