Big eye thresher shark vs Common Seahorse

Alopias superciliosus compared with Hippocampus kuda

Taxonomic Classification

Rank	Big eye thresher shark	Common Seahorse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Actinopterygii (Ray-finned Fish)
Order	Lamniformes (Mackerel Sharks)	Perciformes (Perch-like Fish)
Family	Alopiidae	Pomacentridae (Clownfish & Damselfish)
Genus	Alopias	Amphiprion (Clownfish)
Species	Alopias superciliosus	Hippocampus kuda

Evolutionary Relationship

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

Conservation Status

Big eye thresher shark

VU — Vulnerable

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Big eye thresher shark

Habitat

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

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable 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.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable 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.