Butterfly ray vs common greasewort

Gymnura altavela compared with Aneura pinguis

Key Differences

• Butterfly ray is Endangered while common greasewort is Least Concern.

Taxonomic Classification

Rank	Butterfly ray	common greasewort
Kingdom	Animalia (động vật)	Plantae (thực vật)
Phylum	Chordata (động vật có dây sống)	Marchantiophyta (Ngành Rêu tản)
Class	Elasmobranchii	Jungermanniopsida (Jungermanniopsida)
Order	Myliobatiformes (Bộ Cá đuối ó)	Metzgeriales (Metzgeriales)
Family	Gymnuridae	Aneuraceae
Genus	Gymnura	Aneura
Species	Gymnura altavela	Aneura pinguis

Conservation Status

Butterfly ray

EN — Endangered

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Butterfly ray	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Butterfly ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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).

Butterfly ray

The Butterfly ray (Gymnura altavela) is a species in the genus Gymnura. It is currently classified as Endangered on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.