vs Tiger

Surirella biseriata compared with Panthera tigris

Key Differences

is Not Evaluated while Tiger is Endangered.

Taxonomic Classification

Rank		Tiger
Kingdom	Chromista (Chromista)	Animalia (Tier)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordatiere)
Class	Bacillariophyceae (Bacillariophyceae)	Mammalia (Säugetiere)
Order	Surirellales (Surirellales)	Carnivora (Raubtiere)
Family	Surirellaceae	Felidae (Cats)
Genus	Surirella	Panthera (Big Cats)
Species	Surirella biseriata	Panthera tigris

Conservation Status

NE — Not Evaluated

Tiger

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute		Tiger
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, Portugal, Sweden, and Taiwan.

Tiger

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.

Surirella biseriata is a large, boat-shaped freshwater diatom with two rows of fibulae forming a distinctive pattern along both sides of the valve. It inhabits benthic zones of clean to moderately enriched freshwater lakes and rivers across temperate regions. This photosynthetic diatom contributes to benthic algal communities and organic matter production.

Tiger

The largest wild cat on Earth, tigers can exceed 300 kg and inhabit forests from the Russian Far East to Southeast Asia. Solitary ambush predators with distinctive orange and black striped coats that provide camouflage in dappled light. Critically endangered, with fewer than 4,000 remaining in the wild due to poaching and deforestation.