common bottlenose dolphin vs Large-Neck Clam

Tursiops truncatus compared with Mya arenaria

Key Differences

• common bottlenose dolphin is Least Concern while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	common bottlenose dolphin	Large-Neck Clam
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum	Chordata (Chordates)	Mollusca (Moluska)
Class	Mammalia (mamalia)	Bivalvia (Bivalvia)
Order	Cetacea (Whales & Dolphins)	Myida (Myida)
Family	Delphinidae (Oceanic Dolphins)	Myidae
Genus	Tursiops (Bottlenose Dolphins)	Mya
Species	Tursiops truncatus	Mya arenaria

Evolutionary Relationship

common bottlenose dolphin and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (hewan)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	common bottlenose dolphin	Large-Neck Clam
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

common bottlenose dolphin

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Large-Neck Clam

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, Turkey), Europe (22 countries), and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

common bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.

Large-Neck Clam

Large-Neck Clam (Mya arenaria) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇦 Ukraine