chequered carpet shell vs Common Seal

Ruditapes decussatus compared with Phoca vitulina

Key Differences

• chequered carpet shell is Not Evaluated while Common Seal is Near Threatened.

Taxonomic Classification

Rank	chequered carpet shell	Common Seal
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Mollusca (моллюски)	Chordata (хордовые)
Class	Bivalvia (двустворчатые)	Mammalia (млекопитающие)
Order	Venerida (Venerida)	Pinnipedia (Seals & Sea Lions)
Family	Veneridae	Phocidae (True Seals)
Genus	Ruditapes	Phoca (Harbor Seals)
Species	Ruditapes decussatus	Phoca vitulina

Evolutionary Relationship

chequered carpet shell and Common Seal share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

chequered carpet shell

NE — Not Evaluated

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	chequered carpet shell	Common Seal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	1.7 m
Average Weight	—	80.0 kg

Habitat & Geographic Range

chequered carpet shell

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, Portugal, and Sweden.

Common Seal

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

chequered carpet shell

The chequered carpet shell (Ruditapes decussatus) is a species in the genus Ruditapes. Native to Europe, inhabiting ecosystems characteristic of the region.

Common Seal

The most widely distributed pinniped, harbor seals inhabit temperate and subarctic coastal waters of both the North Atlantic and North Pacific. Adults reach up to 130 kg and spend roughly equal time at sea hunting fish, squid, and crustaceans and hauling out on beaches or rocks to rest. Their large, expressive eyes are adapted for underwater vision in low light. Harbor seals are a critical food source for orcas, sharks, and polar bears.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden