Hase iruka vs Harmless Serotine

Delphinus delphis compared with Eptesicus innoxius

Key Differences

Hase iruka is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Hase iruka	Harmless Serotine
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Cetacea (Whales & Dolphins)	Chiroptera (翼手目)
Family	Delphinidae (Oceanic Dolphins)	Vespertilionidae
Genus	Delphinus	Eptesicus
Species	Delphinus delphis	Eptesicus innoxius

Evolutionary Relationship

Hase iruka and Harmless Serotine share a common ancestor at the Class level: Mammalia. (哺乳類)

表示 Class: Mammalia

Conservation Status

Hase iruka

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Hase iruka	Harmless Serotine
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).

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

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。