Common Seahorse vs ウズラクイナ

Hippocampus kuda compared with Crex crex

Key Differences

• Common Seahorse is Vulnerable while ウズラクイナ is Critically Endangered.

Taxonomic Classification

Rank	Common Seahorse	ウズラクイナ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Actinopterygii (Ray-finned Fish)	Aves (鳥類)
Order	Perciformes (ペルカ目)	Gruiformes (ツル目)
Family	Pomacentridae (Clownfish & Damselfish)	Rallidae
Genus	Amphiprion (Clownfish)	Crex
Species	Hippocampus kuda	Crex crex

Evolutionary Relationship

Common Seahorse and ウズラクイナ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

ウズラクイナ

CR — Critically Endangered

Physical Characteristics

Attribute	Common Seahorse	ウズラクイナ
Diet	Carnivore	—
Average Lifespan	5 years	—
Average Length	17 cm	—
Average Weight	10 g	—

Habitat & Geographic Range

Common Seahorse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, India, Indonesia, Japan, and Philippines. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

ウズラクイナ

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Seahorse

タツノオトシゴ（Hippocampus kuda）は熱帯および温帯の海域に分布する。オスが子を育てて出産するという独特な繁殖形態で知られる。

ウズラクイナ

ウズラクイナ（Crex crex）はIUCNレッドリストで絶滅危惧IA類（CR）に分類される。深刻な個体数減少と生息地消失により、野生での絶滅リスクが極めて高い。