vs Common Water Rat

Clitopilus scyphoides compared with Hydromys chrysogaster

Key Differences

• is Data Deficient while Common Water Rat is Least Concern.

Taxonomic Classification

Rank		Common Water Rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Rodentia (Rodents)
Family	Entolomataceae	Muridae (Mice & Rats)
Genus	Clitopilus	Hydromys
Species	Clitopilus scyphoides	Hydromys chrysogaster

Conservation Status

DD — Data Deficient

Common Water Rat

LC — Least Concern

Physical Characteristics

Attribute		Common Water Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

Common Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Clitopilus scyphoides is an agaric fungus in the family Entolomataceae found in temperate European woodlands and grassland habitats. The species epithet scyphoides refers to a cup- or goblet-like form ('scyphus' meaning cup in Latin), likely describing the mature cap shape which becomes deeply depressed to funnel-shaped at maturity. Like other Clitopilus species, it produces white to pale cap surfaces, crowded decurrent gills that develop a pinkish tinge from the angular spores as they mature, and typically exhibits a mealy or farinaceous odor. It fruits in autumn in woodland clearings, beech and oak woodland floors, and occasionally in grassy habitats. The Clitopilus genus contains around a dozen recognized European species, some of which resemble the edible sweetbread mushroom C. prunulus. Molecular and morphological studies continue to clarify species boundaries and relationships within the genus. C. scyphoides contributes to the decomposer fungal community in its habitats, processing leaf litter and soil organic matter within temperate European forest and grassland ecosystems.

Common Water Rat

<em>Hydromys chrysogaster</em>, commonly known as the common water rat or rakali, is a semi-aquatic rodent in the family Muridae, native to Australia and New Guinea. It is classified as Least Concern by the IUCN, reflecting its relatively stable population across a broad range of freshwater and estuarine habitats on the Australian continent and associated islands. The species typically inhabits the banks of rivers, lakes, wetlands, and estuaries, where it constructs burrows in streambanks. It is highly adapted for an aquatic lifestyle, with partially webbed hind feet, a flattened head, and a dense waterproof coat. <em>Hydromys chrysogaster</em> is a carnivore, typically feeding on fish, crustaceans, mussels, frogs, and aquatic invertebrates, which it often carries to elevated feeding platforms to consume. The species is nocturnal and crepuscular, most active during early morning and evening hours near the water's edge. Biological traits including average lifespan, body length, and weight remain poorly documented in standardized databases, though adults are generally robust for a rodent, reportedly reaching body lengths of 20–35 cm excluding the tail. Geographic range details for this particular record remain incompletely documented in available data sources. Ecologically, the common water rat is an important apex predator in small-scale freshwater food webs and serves as an indicator species for wetland health in Australian riparian systems.