vs Lǎohǔ

Euglena gracilis compared with Panthera tigris

Key Differences

is Not Evaluated while Lǎohǔ is Endangered.

Taxonomic Classification

Rank		Lǎohǔ
Kingdom	Protozoa (原生動物)	Animalia (动物界)
Phylum	Euglenozoa (裸藻门)	Chordata (脊索动物门)
Class	Euglenoidea (裸藻纲)	Mammalia (哺乳動物)
Order	Euglenida (裸藻目)	Carnivora (食肉目)
Family	Euglenaceae	Felidae (Cats)
Genus	Euglena	Panthera (Big Cats)
Species	Euglena gracilis	Panthera tigris

Conservation Status

NE — Not Evaluated

Lǎohǔ

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute		Lǎohǔ
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Habitat

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

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

Lǎohǔ

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

纤细裸藻（Euglena gracilis）是全球淡水环境中发现的研究最充分的单细胞裸藻鞭毛虫。属混合营养型，在光照下能进行光合作用，在黑暗中能进行异养摄食，对不同光照条件具有高度适应性。是细胞生物学和生物技术研究中最常用的模式生物之一。