Blacktip reef shark vs Common Seahorse

Carcharhinus cautus compared with Hippocampus kuda

Key Differences

Blacktip reef shark is Least Concern while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Blacktip reef 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 cautus	Hippocampus kuda

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Blacktip reef shark

LC — Least Concern

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Blacktip reef shark

Habitat

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

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.

Blacktip reef shark

The Blacktip reef shark (Carcharhinus cautus) is a species in the genus Carcharhinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.