Common Seal vs

Phoca vitulina compared with Eunotia elegans

Key Differences

• Common Seal is Near Threatened while is Not Evaluated.

Taxonomic Classification

Rank	Common Seal
Kingdom	Animalia (动物界)	Chromista (色藻界)
Phylum	Chordata (脊索动物门)	Ochrophyta (淡色藻门)
Class	Mammalia (哺乳動物)	Bacillariophyceae (硅藻纲)
Order	Pinnipedia (Seals & Sea Lions)	Eunotiales (短缝藻目)
Family	Phocidae (True Seals)	Eunotiaceae
Genus	Phoca (Harbor Seals)	Eunotia
Species	Phoca vitulina	Eunotia elegans

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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。

Eunotia elegans是舟形藻科的羽纹硅藻，以每极具有短缘缝的弓形（弯曲）壳面为特征。栖居于酸性软水湖泊、泥炭沼泽和贫营养淡水环境，对周丛藻类群落有所贡献。Eunotia属被认为是水体酸性和低离子电导率的有效指示种。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden