Common Water Rat vs Dromedary Camel

Hydromys chrysogaster compared with Camelus dromedarius

Key Differences

• Common Water Rat is Least Concern while Dromedary Camel is Not Evaluated.

Taxonomic Classification

Rank	Common Water Rat	Dromedary Camel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Artiodactyla (Even-toed Ungulates)
Family	Muridae (Mice & Rats)	Camelidae (Camels)
Genus	Hydromys	Camelus (Camels)
Species	Hydromys chrysogaster	Camelus dromedarius

Evolutionary Relationship

Common Water Rat and Dromedary Camel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Common Water Rat

LC — Least Concern

Dromedary Camel

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	Common Water Rat	Dromedary Camel
Diet	—	Herbivore
Average Lifespan	—	40 years
Average Length	—	2.3 m
Average Weight	—	600.0 kg

Habitat & Geographic Range

Common Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dromedary Camel

Habitat

Inhabits deserts and xeric shrublands within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Egypt, Saudi Arabia, Somalia, and Sudan.

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.

Dromedary Camel

The dromedary is the single-humped camel, domesticated over 4,000 years ago. The hump stores fat, not water.