真海豚 vs Common Seal

Delphinus delphis compared with Phoca vitulina

Key Differences

• 真海豚 is Least Concern while Common Seal is Near Threatened.

Taxonomic Classification

Rank	真海豚	Common Seal
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Cetacea (Whales & Dolphins)	Pinnipedia (Seals & Sea Lions)
Family	Delphinidae (Oceanic Dolphins)	Phocidae (True Seals)
Genus	Delphinus	Phoca (Harbor Seals)
Species	Delphinus delphis	Phoca vitulina

Evolutionary Relationship

真海豚 and Common Seal share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

真海豚

LC — Least Concern

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	真海豚	Common Seal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	1.7 m
Average Weight	—	80.0 kg

Habitat & Geographic Range

真海豚

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

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.

真海豚

大西洋斑纹海豚（Stenella frontalis）是一种中等体型的海豚，分布于热带和温暖的温带大西洋海域。该物种保护状态为无危（LC），以其体侧的白色斑纹和活泼的行为著称，常与渔船伴游。

Common Seal

分布最广的鳍足类动物港海豹（Phoca vitulina）栖居于北大西洋和北太平洋温带及亚北极沿海水域。成体体重可达130千克，在海中捕食鱼类、鱿鱼和甲壳动物，并在沙滩或礁岩上休息，两者时间大致相当。大而富有表情的眼睛适应于弱光下的水下视觉。港海豹是虎鲸、鲨鱼和北极熊的重要食物来源。

Shared Countries

Both species can be found in 6 countries:

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