Brown stingray vs Common Metad

Hemitrygon akajei compared with Millardia meltada

Key Differences

• Brown stingray is Near Threatened while Common Metad is Least Concern.

Taxonomic Classification

Rank	Brown stingray	Common Metad
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Dasyatidae	Muridae (Mice & Rats)
Genus	Hemitrygon	Millardia
Species	Hemitrygon akajei	Millardia meltada

Evolutionary Relationship

Brown stingray and Common Metad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown stingray

NT — Near Threatened

Common Metad

LC — Least Concern

Physical Characteristics

Attribute	Brown stingray	Common Metad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown stingray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Metad

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown stingray

The Brown Stingray (Hemitrygon akajei) is a species in the genus Hemitrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.