Arctic Fingernailclam vs Tigr

Sphaerium nitidum compared with Panthera tigris

Key Differences

• Arctic Fingernailclam is Least Concern while Tigr is Endangered.

Taxonomic Classification

Rank	Arctic Fingernailclam	Tigr
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Mollusca (моллюски)	Chordata (хордовые)
Class	Bivalvia (двустворчатые)	Mammalia (млекопитающие)
Order	Sphaeriida (Sphaeriida)	Carnivora (хищные)
Family	Sphaeriidae	Felidae (Cats)
Genus	Sphaerium	Panthera (Big Cats)
Species	Sphaerium nitidum	Panthera tigris

Evolutionary Relationship

Arctic Fingernailclam and Tigr share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Arctic Fingernailclam

LC — Least Concern

Tigr

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Arctic Fingernailclam	Tigr
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Arctic Fingernailclam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and United States.

Tigr

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 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic Fingernailclam

The Arctic Fingernailclam (Sphaerium nitidum) is a species in the genus Sphaerium. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Tigr

The largest wild cat on Earth, tigers can exceed 300 kg and inhabit forests from the Russian Far East to Southeast Asia. Solitary ambush predators with distinctive orange and black striped coats that provide camouflage in dappled light. Critically endangered, with fewer than 4,000 remaining in the wild due to poaching and deforestation.