Alder's necklace shell vs Brown eagle-ray

Euspira nitida compared with Aetomylaeus milvus

Key Differences

• Alder's necklace shell is Least Concern while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Alder's necklace shell	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Elasmobranchii
Order	Littorinimorpha (Littorinimorpha)	Myliobatiformes (Myliobatiformes)
Family	Naticidae	Myliobatidae
Genus	Euspira	Aetomylaeus
Species	Euspira nitida	Aetomylaeus milvus

Evolutionary Relationship

Alder's necklace shell and Brown eagle-ray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder's necklace shell

LC — Least Concern

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Alder's necklace shell	Brown eagle-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder's necklace shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder's necklace shell

The Alder's necklace shell (Euspira nitida) is a species in the genus Euspira. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.