Common Seahorse vs Sharpfin houndshark

Hippocampus kuda compared with Triakis acutipinna

Key Differences

• Common Seahorse is Vulnerable while Sharpfin houndshark is Endangered.

Taxonomic Classification

Rank	Common Seahorse	Sharpfin houndshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Actinopterygii (Ray-finned Fish)	Chondrichthyes (Cartilaginous Fish)
Order	Perciformes (Perch-like Fish)	Carcharhiniformes (Ground Sharks)
Family	Pomacentridae (Clownfish & Damselfish)	Triakidae
Genus	Amphiprion (Clownfish)	Triakis
Species	Hippocampus kuda	Triakis acutipinna

Evolutionary Relationship

Common Seahorse and Sharpfin houndshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Sharpfin houndshark

EN — Endangered

Physical Characteristics

Attribute	Common Seahorse	Sharpfin houndshark
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.

Sharpfin houndshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Common Seahorse

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