Greater Eastern Peaclam vs Tiger

Pisidium dubium compared with Panthera tigris

Key Differences

• Greater Eastern Peaclam is Least Concern while Tiger is Endangered.

Taxonomic Classification

Rank	Greater Eastern Peaclam	Tiger
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Bivalvia (Muscheln)	Mammalia (Säugetiere)
Order	Sphaeriida (Sphaeriida)	Carnivora (Raubtiere)
Family	Sphaeriidae	Felidae (Cats)
Genus	Pisidium	Panthera (Big Cats)
Species	Pisidium dubium	Panthera tigris

Evolutionary Relationship

Greater Eastern Peaclam and Tiger share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Greater Eastern Peaclam

LC — Least Concern

Tiger

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Greater Eastern Peaclam	Tiger
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Greater Eastern Peaclam

Habitat

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

Range

Found in United States.

Tiger

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.

Tiger

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.