Arctic lemming vs Brownfish

Dicrostonyx torquatus compared with Actinopyga echinites

Key Differences

• Arctic lemming is Least Concern while Brownfish is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Brownfish
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Echinodermata (เอไคโนเดอร์มาตา)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Holothuroidea (ปลิงทะเล)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Holothuriida (Holothuriida)
Family	Cricetidae	Holothuriidae
Genus	Dicrostonyx	Actinopyga
Species	Dicrostonyx torquatus	Actinopyga echinites

Evolutionary Relationship

Arctic lemming and Brownfish share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Arctic lemming

LC — Least Concern

Brownfish

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Brownfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brownfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Brownfish

The Brownfish (Actinopyga echinites) is a species in the genus Actinopyga. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.