vs Lǎohǔ

Achnanthes longipes compared with Panthera tigris

Key Differences

is Not Evaluated while Lǎohǔ is Endangered.

Taxonomic Classification

Rank		Lǎohǔ
Kingdom	Chromista (色藻界)	Animalia (动物界)
Phylum	Ochrophyta (淡色藻门)	Chordata (脊索动物门)
Class	Bacillariophyceae (硅藻纲)	Mammalia (哺乳動物)
Order	Achnanthales (曲壳藻目)	Carnivora (食肉目)
Family	Achnanthaceae	Felidae (Cats)
Genus	Achnanthes	Panthera (Big Cats)
Species	Achnanthes longipes	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, Denmark, Norway, 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.

长柄曲壳藻（Achnanthes longipes）是一种有柄底栖硅藻，细胞呈长形，通过柄附着于水下基质表面生长。该物种广泛分布于沿海河口和浅海底栖环境，在硅藻生物膜的形成中起重要作用。其形态特征明显，是底栖硅藻群落研究中的常见种类。