Brown shark vs Common Seahorse

Carcharhinus plumbeus compared with Hippocampus kuda

Key Differences

• Brown shark is Endangered while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Brown shark	Common Seahorse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Actinopterygii (Ray-finned Fish)
Order	Carcharhiniformes (Ground Sharks)	Perciformes (Perch-like Fish)
Family	Carcharhinidae	Pomacentridae (Clownfish & Damselfish)
Genus	Carcharhinus	Amphiprion (Clownfish)
Species	Carcharhinus plumbeus	Hippocampus kuda

Evolutionary Relationship

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

Conservation Status

Brown shark

EN — Endangered

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown shark	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Brown shark

Habitat

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

Range

Distributed across Taiwan and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Brown shark

The Brown Shark (Carcharhinus plumbeus) is a species in the genus Carcharhinus. It is currently classified as Endangered on the IUCN Red List. 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.