Arctic lemming vs Common Seahorse

Dicrostonyx torquatus compared with Hippocampus kuda

Key Differences

• Arctic lemming is Least Concern while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Common Seahorse
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Actinopterygii (Ray-finned Fish)
Order	Rodentia (Rodents)	Perciformes (Perch-like Fish)
Family	Cricetidae	Pomacentridae (Clownfish & Damselfish)
Genus	Dicrostonyx	Amphiprion (Clownfish)
Species	Dicrostonyx torquatus	Hippocampus kuda

Evolutionary Relationship

Arctic lemming and Common Seahorse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Arctic lemming	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Seahorse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, India, Indonesia, Japan, and Philippines. 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.

Common Seahorse

The common seahorse is found in tropical and temperate waters. Males carry and deliver the babies.