Amami Brown Frog vs common greasewort

Rana kobai compared with Aneura pinguis

Key Differences

• Amami Brown Frog is Near Threatened while common greasewort is Least Concern.

Taxonomic Classification

Rank	Amami Brown Frog	common greasewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Amphibia (Amphibians)	Jungermanniopsida (Jungermanniopsida)
Order	Anura (Frogs & Toads)	Metzgeriales (Metzgeriales)
Family	Ranidae	Aneuraceae
Genus	Rana	Aneura
Species	Rana kobai	Aneura pinguis

Conservation Status

Amami Brown Frog

NT — Near Threatened

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Amami Brown Frog	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amami Brown Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

common greasewort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil, Colombia).

Amami Brown Frog

The Amami Brown Frog (Rana kobai) is a species in the genus Rana. It is currently classified as Near Threatened on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

common greasewort

<em>Aneura pinguis</em>, commonly known as common greasewort, is a liverwort belonging to the genus Aneura within the family Aneuraceae. This cryptogamic plant inhabits ecosystems across Asia, Europe, and North America, thriving in moist or waterlogged environments. Its range encompasses Taiwan in Asia, six European countries, the United States in North America, and Brazil and Colombia in South America, indicating a broad geographic distribution across multiple continents. Common greasewort is assessed as Least Concern on the IUCN Red List. The species typically forms flat, ribbon-like thalli in damp habitats such as stream banks, wet rocks, and boggy ground. Biological traits of this species remain poorly documented in the scientific literature.