Common Seahorse vs Patchwork cuttlefish

Hippocampus kuda compared with Sepia vermiculata

Key Differences

• Common Seahorse is Vulnerable while Patchwork cuttlefish is Data Deficient.

Taxonomic Classification

Rank	Common Seahorse	Patchwork cuttlefish
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Mollusca (軟体動物)
Class	Actinopterygii (Ray-finned Fish)	Cephalopoda (頭足類)
Order	Perciformes (ペルカ目)	Sepiida (コウイカ目)
Family	Pomacentridae (Clownfish & Damselfish)	Sepiidae
Genus	Amphiprion (Clownfish)	Sepia
Species	Hippocampus kuda	Sepia vermiculata

Evolutionary Relationship

Common Seahorse and Patchwork cuttlefish share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Patchwork cuttlefish

DD — Data Deficient

Physical Characteristics

Attribute	Common Seahorse	Patchwork cuttlefish
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.

Patchwork cuttlefish

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。