Brook Alder vs St. James' shell

Alnus maritima compared with Pecten maximus

Key Differences

Brook Alder is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Brook Alder	St. James' shell
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Magnoliopsida (Dicots)	Bivalvia (Bivalvia)
Order	Fagales (Beeches & Oaks)	Pectinida (Pectinida)
Family	Betulaceae	Pectinidae
Genus	Alnus	Pecten
Species	Alnus maritima	Pecten maximus

Conservation Status

Brook Alder

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Brook Alder	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

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.

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.