Chinese river dolphin vs Common Seahorse

Lipotes vexillifer compared with Hippocampus kuda

Key Differences

• Chinese river dolphin is Critically Endangered while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Chinese river dolphin	Common Seahorse
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)	Actinopterygii (Ray-finned Fish)
Order	Cetacea (Whales & Dolphins)	Perciformes (ペルカ目)
Family	Lipotidae	Pomacentridae (Clownfish & Damselfish)
Genus	Lipotes	Amphiprion (Clownfish)
Species	Lipotes vexillifer	Hippocampus kuda

Evolutionary Relationship

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

Conservation Status

Chinese river dolphin

CR — Critically Endangered

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chinese river dolphin	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Chinese river dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.

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。