Black Nerite vs marrequinho-castanho

Theodoxus prevostianus compared with Anas chlorotis

Key Differences

• Black Nerite is Endangered while marrequinho-castanho is Near Threatened.

Taxonomic Classification

Rank	Black Nerite	marrequinho-castanho
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Gastropoda (Gastrópodes)	Aves (ave)
Order	Cycloneritida (Cycloneritida)	Anseriformes (Anseriformes)
Family	Neritidae	Anatidae
Genus	Theodoxus	Anas
Species	Theodoxus prevostianus	Anas chlorotis

Evolutionary Relationship

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

Conservation Status

Black Nerite

EN — Endangered

marrequinho-castanho

NT — Near Threatened

Physical Characteristics

Attribute	Black Nerite	marrequinho-castanho
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.

marrequinho-castanho

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

marrequinho-castanho

The Brown Teal (Anas chlorotis) is a species in the genus Anas. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway