vs Common Raccoon

Chrysosphaerella annulata compared with Procyon lotor

Key Differences

is Not Evaluated while Common Raccoon is Least Concern.

Taxonomic Classification

Rank		Common Raccoon
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Chrysophyceae (Chrysophyceae)	Mammalia (Mammals)
Order	Ochromonadales (Ochromonadales)	Carnivora (Carnivorans)
Family	Paraphysomonadaceae	Procyonidae (Raccoons)
Genus	Chrysosphaerella	Procyon
Species	Chrysosphaerella annulata	Procyon lotor

Conservation Status

NE — Not Evaluated

Common Raccoon

LC — Least Concern

Physical Characteristics

Attribute		Common Raccoon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Common Raccoon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 7 distinct biome types spanning the Neotropic and Palearctic realms.

Range

Widely distributed across Asia (4 countries), Europe (23 countries), North America (5 countries), and South America (Colombia).

Chrysosphaerella annulata is a colonial freshwater chrysophyte microalga in the genus Chrysosphaerella, class Chrysophyceae. Unlike unicellular loricate chrysophytes, Chrysosphaerella species form spherical or ellipsoidal free-floating colonies in which individual cells are embedded in a common gelatinous matrix. The individual cells bear long siliceous scales with distinctive ring-like or annular structures — referenced by the species epithet annulata — projecting outward from the colony surface, giving the colony a spiny appearance under microscopy. These siliceous scales are species-specific and their morphology, as revealed through electron microscopy, is the primary character for identifying Chrysosphaerella species. C. annulata has been recorded from Norwegian and Swedish freshwater environments, consistent with the Scandinavian emphasis in chrysophyte research and the high diversity of chrysophytes in boreal freshwater systems. Chrysosphaerella colonies are planktonic, inhabiting the limnetic zone of oligotrophic to mesotrophic lakes where they may form locally conspicuous populations during favorable conditions. The species uses chlorophylls a and c with fucoxanthin for photosynthesis, contributing to primary production. Chrysosphaerella scales can accumulate in lake sediments, providing a record of past community composition and environmental conditions. C. annulata has not been assessed under IUCN criteria and is classified as Not Evaluated. Its documentation contributes to understanding the diversity of colonial chrysophyte forms in northern European freshwater ecosystems.

Common Raccoon

<em>Procyon lotor</em>, the common raccoon, is a medium-sized mammal in the family Procyonidae, order Carnivora. Native to North America, it has been introduced across parts of Europe and Asia, making it one of the most geographically widespread non-domestic mammals in temperate regions. Raccoons typically inhabit deciduous and mixed forests, wetlands, urban parks, and suburban neighborhoods, demonstrating remarkable adaptability to human-modified landscapes. Their geographic range spans from Canada south through the continental United States into Panama, with introduced populations established in Germany, France, Japan, and parts of Russia. The species is listed as Least Concern on the IUCN Red List, with populations stable or increasing across much of its range. Raccoons are omnivorous, typically consuming invertebrates, small vertebrates, fish, fruits, nuts, and human refuse depending on seasonal availability. Their distinctive black facial mask and ringed tail make them immediately recognizable. They are primarily nocturnal and are known for their dexterous forepaws, which they use to manipulate food and open containers. Raccoons do not hibernate in most of their range but may enter extended periods of torpor during harsh winters.