Common Seahorse vs Plain Pocketbook

Hippocampus kuda compared with Lampsilis cardium

Key Differences

• Common Seahorse is Vulnerable while Plain Pocketbook is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	Plain Pocketbook
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Actinopterygii (Ray-finned Fish)	Bivalvia (Bivalvia)
Order	Perciformes (Perch-like Fish)	Unionida (Unionida)
Family	Pomacentridae (Clownfish & Damselfish)	Unionidae
Genus	Amphiprion (Clownfish)	Lampsilis
Species	Hippocampus kuda	Lampsilis cardium

Evolutionary Relationship

Common Seahorse and Plain Pocketbook share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Plain Pocketbook

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	Plain Pocketbook
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.

Plain Pocketbook

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

Common Seahorse

The common seahorse is found in tropical and temperate waters. Males carry and deliver the babies.