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Comatricha laxa compared with Comatricha tenerrima

Taxonomic Classification

Rank
Kingdom same	Protozoa (protozoa)	Protozoa (protozoa)
Phylum same	Mycetozoa	Mycetozoa
Class same	Myxomycetes (Myxomycetes)	Myxomycetes (Myxomycetes)
Order same	Stemonitidales	Stemonitidales
Family same	Stemonitidaceae	Stemonitidaceae
Genus same	Comatricha	Comatricha
Species	Comatricha laxa	Comatricha tenerrima

Evolutionary Relationship

and share a common ancestor at the Genus level: Comatricha.

Conservation Status

NE — Not Evaluated

NE — Not Evaluated

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Brazil).

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Brazil).

<em>Comatricha laxa</em> is a plasmodial slime mold in the class Myxomycetes, order Stemonitidales, with a documented distribution spanning Asia, Europe, and South America. As a member of the genus <em>Comatricha</em>, it forms stalked sporangia with a characteristic capillitium that forms a loose, open network aiding spore dispersal. The species inhabits rotting logs, dead bark, and moist leaf litter in forested environments where conditions support the plasmodial feeding stage. The plasmodium is a multinucleate, macroscopic structure that migrates over substrates to engulf bacteria and other microorganisms. Geographic range data confirm a wide cosmopolitan distribution in suitable habitats across three continents. <em>C. laxa</em> contributes to decomposition and nutrient cycling in woodland ecosystems. No quantitative biological metrics such as body size or mass are applicable to this organism, and it has not been evaluated by the IUCN.

<em>Comatricha tenerrima</em> is a myxomycete belonging to the genus <em>Comatricha</em>, class Myxomycetes, order Stemonitidales. The species epithet tenerrima, meaning very delicate, likely refers to the particularly fine structure of its capillitium or sporangial walls. Like other members of the genus, <em>C. tenerrima</em> inhabits moist, decaying substrates such as rotting wood and leaf litter in forest environments, where the plasmodial feeding stage actively moves across surfaces to consume bacteria, yeasts, and organic particles. The transition to the reproductive stage results in the formation of stalked sporangia releasing spores for aerial dispersal. No geographic range information is provided in the current record. The species does not possess conventional biological traits such as body size or mass, and no quantitative data are available. <em>C. tenerrima</em> has not been assessed on the IUCN Red List.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan