Hase iruka vs Dwarf False Brook Salamander

Delphinus delphis compared with Ixalotriton parvus

Key Differences

• Hase iruka is Least Concern while Dwarf False Brook Salamander is Critically Endangered.

Taxonomic Classification

Rank	Hase iruka	Dwarf False Brook Salamander
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Amphibia (両生類)
Order	Cetacea (Whales & Dolphins)	Caudata (有尾目)
Family	Delphinidae (Oceanic Dolphins)	Plethodontidae
Genus	Delphinus	Ixalotriton
Species	Delphinus delphis	Ixalotriton parvus

Evolutionary Relationship

Hase iruka and Dwarf False Brook Salamander share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Hase iruka

LC — Least Concern

Dwarf False Brook Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Hase iruka	Dwarf False Brook Salamander
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).

Dwarf False Brook Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

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。