Branching Pixie Pebblehorn Lichen vs Common Seal

Cladonia decorticata compared with Phoca vitulina

Key Differences

Branching Pixie Pebblehorn Lichen is Least Concern while Common Seal is Near Threatened.

Taxonomic Classification

Rank	Branching Pixie Pebblehorn Lichen	Common Seal
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Ascomycota (子嚢菌門)	Chordata (脊索動物)
Class	Lecanoromycetes (チャシブゴケ菌綱)	Mammalia (哺乳類)
Order	Lecanorales (チャシブゴケ目)	Pinnipedia (Seals & Sea Lions)
Family	Cladoniaceae	Phocidae (True Seals)
Genus	Cladonia	Phoca (Harbor Seals)
Species	Cladonia decorticata	Phoca vitulina

Conservation Status

Branching Pixie Pebblehorn Lichen

LC — Least Concern

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Branching Pixie Pebblehorn Lichen

Habitat

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

Range

Distributed across Norway, Portugal, Sweden, and 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.

Branching Pixie Pebblehorn Lichen

The Branching pixie pebblehorn lichen (Cladonia decorticata) is a species in the genus Cladonia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Common Seal

最も広く分布する鰭脚類であるゴマフアザラシの近縁種・ゼニガタアザラシ（Phoca vitulina）は、北大西洋と北太平洋の温帯・亜北極沿岸に生息する。成体は最大130kgに達し、海での魚・イカ・甲殻類の捕食と海岸や岩場での休息にほぼ同じ時間を費やす。大きく表情豊かな目は低照度での水中視覚に適応している。シャチ・サメ・ホッキョクグマにとって重要な食料源である。