floating crystalwort vs Lion

Riccia fluitans compared with Panthera leo

Key Differences

• floating crystalwort is Near Threatened while Lion is Vulnerable.

Taxonomic Classification

Rank	floating crystalwort	Lion
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Marchantiophyta (苔類)	Chordata (脊索動物)
Class	Marchantiopsida (ゼニゴケ綱)	Mammalia (哺乳類)
Order	Marchantiales (ゼニゴケ目)	Carnivora (ネコ目)
Family	Ricciaceae	Felidae (Cats)
Genus	Riccia	Panthera (Big Cats)
Species	Riccia fluitans	Panthera leo

Conservation Status

floating crystalwort

NT — Near Threatened

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	floating crystalwort	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

Habitat & Geographic Range

floating crystalwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Lion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Lion

アフリカ最大の野生ネコ科動物で最大250kgに達し、サハラ以南のサバンナや草原に生息する唯一の社会性ネコ科動物です。雄は象徴的なたてがみで識別されます。頂点捕食者として草食動物の個体群を調節し、生態系のバランスを維持します。生息地の喪失と人間との軋轢により危急種に分類されています。