Hase iruka vs compact rustwort

Delphinus delphis compared with Marsupella condensata

Taxonomic Classification

Rank	Hase iruka	compact rustwort
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Marchantiophyta (苔類)
Class	Mammalia (哺乳類)	Jungermanniopsida (Jungermanniopsida)
Order	Cetacea (Whales & Dolphins)	Jungermanniales (ウロコゴケ目)
Family	Delphinidae (Oceanic Dolphins)	Gymnomitriaceae
Genus	Delphinus	Marsupella
Species	Delphinus delphis	Marsupella condensata

Conservation Status

Hase iruka

LC — Least Concern

compact rustwort

LC — Least Concern

Physical Characteristics

Attribute	Hase iruka	compact rustwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hase iruka

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

compact rustwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Hase iruka

マイルカ（Delphinus delphis）は大西洋・地中海・インド太平洋の温帯〜熱帯海域に広く分布するイルカで、黒・白・黄色のクロスパターンが特徴的な模様を持つ。IUCNレッドリストでは軽度懸念（LC）に分類されており、世界で最も個体数の多いイルカの一種と考えられている。高速遊泳能力を持ちボウライドを楽しむ行動でよく知られ、数百頭からなる大きな群れを形成することがある。

compact rustwort

<em>Marsupella condensata</em>, the compact rustwort, is a small leafy liverwort in the family Gymnomitriaceae found in Arctic and alpine habitats in Europe, with documented occurrences in Norway and Sweden. Liverworts in the genus Marsupella are characterised by their simple thalloid or leafy structure and specialisation for cold, wet, and exposed environments including snowflush communities, fellfields, and soliflucted soils at high elevation or high latitude. Compact rustwort typically grows in moist, acidic substrates near late-lying snow patches and on wet rock surfaces in montane tundra and alpine heath. These habitats are highly sensitive to climate change, with warming temperatures and reduced snowpack directly threatening snowflush plant communities across Scandinavia. The IUCN classifies <em>Marsupella condensata</em> as Least Concern, although its dependence on cold, moist microhabitats makes it potentially sensitive to long-term climate warming. The species contributes to biological soil crusts and serves as a substrate for invertebrates and microorganisms in fragile alpine ecosystems. Bryophytes like compact rustwort are often slow-growing and slow to recolonise following disturbance. Biological traits including growth rates, reproductive biology, and precise morphological measurements remain poorly documented, as is typical for many liverwort species outside specialist botanical surveys. Its conservation depends on the preservation of intact alpine and Arctic habitats across Scandinavia.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden