Angular rough shark vs common greasewort

Oxynotus paradoxus compared with Aneura pinguis

Key Differences

• Angular rough shark is Vulnerable while common greasewort is Least Concern.

Taxonomic Classification

Rank	Angular rough shark	common greasewort
Kingdom	Animalia (hewan)	Plantae (tumbuhan)
Phylum	Chordata (Chordates)	Marchantiophyta (Lumut hati)
Class	Elasmobranchii	Jungermanniopsida (Jungermanniopsida)
Order	Squaliformes (Squaliformes)	Metzgeriales (Metzgeriales)
Family	Oxynotidae	Aneuraceae
Genus	Oxynotus	Aneura
Species	Oxynotus paradoxus	Aneura pinguis

Conservation Status

Angular rough shark

VU — Vulnerable

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Angular rough shark	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular rough shark

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Portugal. Currently classified as Vulnerable 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).

Angular rough shark

The Angular rough shark (Oxynotus paradoxus) is a species in the genus Oxynotus. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal