Asian house shrew vs

Suncus murinus compared with Colacium simplex

Key Differences

• Asian house shrew is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Asian house shrew
Kingdom	Animalia (Animals)	Protozoa (protozoa)
Phylum	Chordata (Chordates)	Euglenozoa (Euglenozoa)
Class	Mammalia (Mammals)	Euglenoidea (Euglenoidea)
Order	Soricomorpha (Soricomorpha)	Euglenida (Euglenida)
Family	Soricidae	Euglenaceae
Genus	Suncus	Colacium
Species	Suncus murinus	Colacium simplex

Conservation Status

Asian house shrew

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Asian house shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian house shrew

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (4 countries), Asia (8 countries), Europe (Russia), and Oceania and the Pacific (Marshall Islands).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Asian house shrew

The Asian house shrew (Suncus murinus) is a species in the genus Suncus. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 8 distinct biome types. Populations are also found. Widely distributed across Africa (4 countries), Asia (8 countries), Europe (Russia), and Oceania and the Pacific (Marshall Islands).

Colacium simplex is a photosynthetic euglenoid protist in the family Euglenaceae, notable for its epibiotic lifestyle as a stalked organism colonizing the surfaces of freshwater crustaceans and other zooplankton. This microscopic species belongs to a genus that bridges free-swimming euglenoid behavior and sessile, colonial existence, attaching to hosts via mucilaginous stalks. Colacium simplex, as its name implies, exhibits a relatively uncomplicated morphology compared to other genus members, with simple colony structures that anchor to copepods, cladocerans, and occasionally other small invertebrates. The organism photosynthesizes when light is available, using chloroplasts derived from the green algal endosymbiont common to euglenoids, while potentially employing osmotrophic nutrition in darker conditions. Its presence on zooplankton hosts can affect host swimming behavior and, in heavy infestations, may impose a metabolic cost on the carrier. Colacium simplex inhabits lentic and slow-moving lotic freshwater systems globally, wherever appropriate zooplankton hosts occur. It plays a role in microbial community structure and organic matter dynamics in planktonic food webs. Taxonomic understanding of the genus continues to evolve with molecular phylogenetic studies.