Centric diatom vs Common Seal

Cyclotella pseudostelligera compared with Phoca vitulina

Key Differences

Centric diatom is Not Evaluated while Common Seal is Near Threatened.

Taxonomic Classification

Rank	Centric diatom	Common Seal
Kingdom	Chromista (크로미스타)	Animalia (동물)
Phylum	Ochrophyta (대롱편모조식물)	Chordata (척삭동물)
Class	Bacillariophyceae (원시배선규조류)	Mammalia (포유류)
Order	Thalassiosirales (Thalassiosirales)	Pinnipedia (Seals & Sea Lions)
Family	Stephanodiscaceae	Phocidae (True Seals)
Genus	Cyclotella	Phoca (Harbor Seals)
Species	Cyclotella pseudostelligera	Phoca vitulina

Conservation Status

Centric diatom

NE — Not Evaluated

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Centric diatom

Habitat

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

Range

Found in United States.

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.

Centric diatom

The Centric Diatom (Cyclotella pseudostelligera) is a species in the genus Cyclotella. Found in United States.

Common Seal

가장 널리 분포하는 기각류인 항구물범(Phoca vitulina)은 북대서양과 북태평양 양쪽의 온대 및 아북극 연안에 서식한다. 성체는 최대 130kg에 달하며 바다에서 어류·오징어·갑각류를 사냥하고 해변이나 바위 위에서 쉬며 비슷한 시간을 보낸다. 크고 표정 풍부한 눈은 저조도 수중 시야에 적응되어 있다. 범고래·상어·북극곰의 중요한 먹이원이다.