Common Seahorse vs koala

Hippocampus kuda compared with Phascolarctos cinereus

Key Differences

Common Seahorse is carnivore while koala is herbivore.
koala is 1000.0x heavier than Common Seahorse.
koala lives longer (15 years vs 5 years).

Taxonomic Classification

Rank	Common Seahorse	koala
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)	Mammalia (哺乳類)
Order	Perciformes (ペルカ目)	Diprotodontia (カンガルー目)
Family	Pomacentridae (Clownfish & Damselfish)	Phascolarctidae (Koalas)
Genus	Amphiprion (Clownfish)	Phascolarctos (Koalas)
Species	Hippocampus kuda	Phascolarctos cinereus

Evolutionary Relationship

Common Seahorse and koala share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Seahorse	koala
Diet	Carnivore	Herbivore
Average Lifespan	5 years	15 years
Average Length	17 cm	75 cm
Average Weight	10 g	10.0 kg

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.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable 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。

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。