Common Seal vs Reticulated Python

Phoca vitulina compared with Python reticulatus

Key Differences

• Common Seal is Near Threatened while Reticulated Python is Least Concern.
• Common Seal lives longer (30 years vs 25 years).

Taxonomic Classification

Rank	Common Seal	Reticulated Python
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	Mammalia (哺乳動物)	Reptilia (爬行纲)
Order	Pinnipedia (Seals & Sea Lions)	Squamata (有鱗目)
Family	Phocidae (True Seals)	Pythonidae (Pythons)
Genus	Phoca (Harbor Seals)	Python (Pythons)
Species	Phoca vitulina	Python reticulatus

Evolutionary Relationship

Common Seal and Reticulated Python share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Reticulated Python

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Common Seal	Reticulated Python
Diet	Carnivore	Carnivore
Average Lifespan	30 years	25 years
Average Length	1.7 m	6.0 m
Average Weight	80.0 kg	75.0 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.

Reticulated Python

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia, Malaysia, Myanmar, Philippines, and Thailand.

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。

Reticulated Python

网纹蟒（Python reticulatus）是世界上最长、体重最大的蛇之一。以缠绕方式将猎物勒死。