Black Nerite vs Graceful Laucha

Theodoxus prevostianus compared with Calomys lepidus

Key Differences

• Black Nerite is Endangered while Graceful Laucha is Least Concern.

Taxonomic Classification

Rank	Black Nerite	Graceful Laucha
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Mollusca (رخويات)	Chordata (حبليات)
Class	Gastropoda (بطنيات القدم)	Mammalia (ثدييات)
Order	Cycloneritida (Cycloneritida)	Rodentia (قوارض)
Family	Neritidae	Cricetidae
Genus	Theodoxus	Calomys
Species	Theodoxus prevostianus	Calomys lepidus

Evolutionary Relationship

Black Nerite and Graceful Laucha share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Black Nerite

EN — Endangered

Graceful Laucha

LC — Least Concern

Physical Characteristics

Attribute	Black Nerite	Graceful Laucha
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.

Graceful Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.