vs Epaulard

Coelosphaerium confertum compared with Orcinus orca

Key Differences

is Not Evaluated while Epaulard is Data Deficient.

Taxonomic Classification

Rank		Epaulard
Kingdom	Bacteria (Bacteria)	Animalia (動物)
Phylum	Cyanobacteria (藍藻)	Chordata (脊索動物)
Class	Cyanobacteriia	Mammalia (哺乳類)
Order	Cyanobacteriales	Cetacea (Whales & Dolphins)
Family	Microcystaceae	Delphinidae (Oceanic Dolphins)
Genus	Coelosphaerium	Orcinus (Orcas)
Species	Coelosphaerium confertum	Orcinus orca

Conservation Status

NE — Not Evaluated

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute		Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Denmark.

Epaulard

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 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Coelosphaerium confertum is a colonial planktonic cyanobacterium in the family Merismopediaceae, distinguished from related species by the relatively compact arrangement of cells within its gelatinous colonial matrix. Like other Coelosphaerium species, it forms roughly spherical mucilaginous colonies in which cells are positioned near the colony periphery. The genus belongs to the order Chroococcales and is characteristic of temperate freshwater habitats including lakes, ponds, and slow-moving rivers with moderate to high nutrient levels. Coelosphaerium confertum has been recorded from freshwater bodies in Denmark and other northern European countries, where it occurs as part of the phytoplankton assemblage during summer and early autumn months when temperatures are sufficient to sustain its growth. Cyanobacteria of this type are primary producers that fix atmospheric carbon and contribute to the base of aquatic food webs, supporting zooplankton and higher trophic levels. Under conditions of elevated phosphorus and nitrogen from agricultural runoff and wastewater, bloom-forming cyanobacteria can proliferate and alter the ecological character of water bodies. While Coelosphaerium confertum is not typically identified as a toxic bloom-former, its ecological role in nutrient cycling and as part of broader cyanobacterial assemblages is significant. No formal IUCN evaluation has been conducted.

Epaulard

イルカ科で最大の種であるシャチ（Orcinus orca）は体長最大9メートル、体重6トンに達し、北極から南極まですべての海洋に生息しています。独特の方言、狩猟戦略、集団間で異なる文化的伝統を持つ母系ポッドで生活する頂点捕食者です。一部の集団は魚類を、他の集団は海洋哺乳類を専門に捕食します。天敵はなく、シャチは生息するすべての海洋食物連鎖の頂点に位置します。