Epaulard vs Yellow Lance

Orcinus orca compared with Elliptio lanceolata

Key Differences

• Epaulard is Data Deficient while Yellow Lance is Near Threatened.

Taxonomic Classification

Rank	Epaulard	Yellow Lance
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Mollusca (軟体動物)
Class	Mammalia (哺乳類)	Bivalvia (二枚貝)
Order	Cetacea (Whales & Dolphins)	Unionida (イシガイ目)
Family	Delphinidae (Oceanic Dolphins)	Unionidae
Genus	Orcinus (Orcas)	Elliptio
Species	Orcinus orca	Elliptio lanceolata

Evolutionary Relationship

Epaulard and Yellow Lance share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Yellow Lance

NT — Near Threatened

Physical Characteristics

Attribute	Epaulard	Yellow Lance
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	8.0 m	—
Average Weight	5.4 t	—

Habitat & Geographic Range

Epaulard

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Yellow Lance

Habitat

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

Range

Found in United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Epaulard

イルカ科で最大の種であるシャチ（Orcinus orca）は体長最大9メートル、体重6トンに達し、北極から南極まですべての海洋に生息しています。独特の方言、狩猟戦略、集団間で異なる文化的伝統を持つ母系ポッドで生活する頂点捕食者です。一部の集団は魚類を、他の集団は海洋哺乳類を専門に捕食します。天敵はなく、シャチは生息するすべての海洋食物連鎖の頂点に位置します。