Common Metad vs green hydra

Millardia meltada compared with Hydra viridissima

Key Differences

• Common Metad is Least Concern while green hydra is Not Evaluated.

Taxonomic Classification

Rank	Common Metad	green hydra
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Cnidaria (刺胞動物)
Class	Mammalia (哺乳類)	Hydrozoa (ヒドロ虫綱)
Order	Rodentia (ネズミ目)	Anthoathecata (花クラゲ目)
Family	Muridae (Mice & Rats)	Hydridae
Genus	Millardia	Hydra
Species	Millardia meltada	Hydra viridissima

Evolutionary Relationship

Common Metad and green hydra share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Common Metad

LC — Least Concern

green hydra

NE — Not Evaluated

Physical Characteristics

Attribute	Common Metad	green hydra
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Metad

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

green hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Common Metad

The Common Metad (<em>Millardia meltada</em>) is a rodent belonging to the genus <em>Millardia</em> within the family Muridae. As a member of the Old World rats and mice, this species is typically found in diverse terrestrial and aquatic ecosystems across its range. The Common Metad is classified as Least Concern on the IUCN Red List, indicating that its populations are currently stable and not facing immediate extinction risk. Detailed biological traits such as body length, weight, and lifespan have not been widely documented for this species in available records. Its taxonomy places it within the order Rodentia, which encompasses a broad array of gnawing mammals adapted to a wide variety of ecological niches. While specific dietary habits are not well characterized in the available data, members of the genus <em>Millardia</em> are generally understood to be omnivorous, feeding on plant material and invertebrates typical of their habitat. Ongoing monitoring is important for ensuring this species maintains its current conservation standing.