Common Seahorse vs Round ray

Hippocampus kuda compared with Irolita waitii

Key Differences

• Common Seahorse is Vulnerable while Round ray is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	Round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Actinopterygii (Ray-finned Fish)	Elasmobranchii
Order	Perciformes (Perch-like Fish)	Rajiformes (Rajiformes)
Family	Pomacentridae (Clownfish & Damselfish)	Arhynchobatidae
Genus	Amphiprion (Clownfish)	Irolita
Species	Hippocampus kuda	Irolita waitii

Evolutionary Relationship

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

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	Round ray
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.

Round ray

Common Seahorse

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