Black Nerite vs Perija Small-eared Shrew

Theodoxus prevostianus compared with Cryptotis perijensis

Key Differences

• Black Nerite is Endangered while Perija Small-eared Shrew is Data Deficient.

Taxonomic Classification

Rank	Black Nerite	Perija Small-eared Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cycloneritida (Cycloneritida)	Soricomorpha (Soricomorpha)
Family	Neritidae	Soricidae
Genus	Theodoxus	Cryptotis
Species	Theodoxus prevostianus	Cryptotis perijensis

Evolutionary Relationship

Black Nerite and Perija Small-eared Shrew share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Nerite

EN — Endangered

Perija Small-eared Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Black Nerite	Perija Small-eared Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Nerite

Habitat

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

Range

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

Perija Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Black Nerite

The Black Nerite (Theodoxus prevostianus) is a species in the genus Theodoxus. It is currently classified as Endangered on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.