vs Tiger
Cocconeis disculus compared with Panthera tigris
Key Differences
- is Not Evaluated while Tiger is Endangered.
Taxonomic Classification
| Rank | Tiger | |
|---|---|---|
| Kingdom | Chromista (Chromista) | Animalia (Animals) |
| Phylum | Ochrophyta (Ochrophyta) | Chordata (Chordates) |
| Class | Bacillariophyceae (Bacillariophyceae) | Mammalia (Mammals) |
| Order | Achnanthales (Achnanthales) | Carnivora (Carnivorans) |
| Family | Cocconeidaceae | Felidae (Cats) |
| Genus | Cocconeis | Panthera (Big Cats) |
| Species | Cocconeis disculus | Panthera tigris |
Conservation Status
Tiger
EN — EndangeredPopulation: ~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
Native to Europe and South America, inhabiting ecosystems characteristic of the region.
Distributed across Brazil, Norway, and Sweden.
Tiger
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.
Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.
Cocconeis disculus is a freshwater and brackish-water diatom in the family Cocconeidaceae, belonging to the class Bacillariophyceae—the diatoms, a group of unicellular photosynthetic algae encased in ornate silica cell walls called frustules. Like all members of the genus Cocconeis, C. disculus is an adnate, epiphytic species, meaning it lives attached to substrates—typically the surfaces of aquatic macrophytes, filamentous algae, and sediment particles—rather than living freely in the water column. The frustule of Cocconeis species is distinctive in its bilateral symmetry and the characteristic difference between its two valves: the rapheless valve (RV) lacks the raphe slit present on the raphe valve (RV), a feature used in species identification. Cocconeis disculus has been documented from freshwater bodies across South America and various parts of the Northern Hemisphere, with distribution reflecting its tolerance of a range of water temperatures and nutrient conditions. Diatoms like C. disculus are foundational components of aquatic food webs, fixing carbon through photosynthesis and providing a nutritious food source for grazing invertebrates, protists, and larval fish. The species also contributes to the biosilica cycle through the production and dissolution of its silica frustule. As a benthic, substrate-attached organism, Cocconeis disculus serves as a sensitive bioindicator of water quality conditions in freshwater monitoring programs. Its conservation status is not formally evaluated.
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.
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