Common Seahorse vs Delicate Pygmy Rice Rat

Hippocampus kuda compared with Oligoryzomys delicatus

Key Differences

• Common Seahorse is Vulnerable while Delicate Pygmy Rice Rat is Data Deficient.

Taxonomic Classification

Rank	Common Seahorse	Delicate Pygmy Rice Rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Actinopterygii (Ray-finned Fish)	Mammalia (哺乳動物)
Order	Perciformes (鲈形目)	Rodentia (啮齿目)
Family	Pomacentridae (Clownfish & Damselfish)	Cricetidae
Genus	Amphiprion (Clownfish)	Oligoryzomys
Species	Hippocampus kuda	Oligoryzomys delicatus

Evolutionary Relationship

Common Seahorse and Delicate Pygmy Rice Rat share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Delicate Pygmy Rice Rat

DD — Data Deficient

Physical Characteristics

Attribute	Common Seahorse	Delicate Pygmy Rice Rat
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.

Delicate Pygmy Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Common Seahorse

库达海马（Hippocampus kuda）分布于热带和温带海域，以雄性孕育并生产后代的独特繁殖方式著称。