Achallo vs Black Nerite

Chinchillula sahamae compared with Theodoxus prevostianus

Key Differences

• Achallo is Least Concern while Black Nerite is Endangered.

Taxonomic Classification

Rank	Achallo	Black Nerite
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Cycloneritida (Cycloneritida)
Family	Cricetidae	Neritidae
Genus	Chinchillula	Theodoxus
Species	Chinchillula sahamae	Theodoxus prevostianus

Evolutionary Relationship

Achallo and Black Nerite share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Achallo

LC — Least Concern

Black Nerite

EN — Endangered

Physical Characteristics

Attribute	Achallo	Black Nerite
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Achallo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Achallo

The Achallo (Chinchillula sahamae) is a species in the genus Chinchillula. It is currently classified as Least Concern on the IUCN Red List. It typically inhabits 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.