Common Seahorse vs Crescent Nail-tail Wallaby

Hippocampus kuda compared with Onychogalea lunata

Key Differences

• Common Seahorse is Vulnerable while Crescent Nail-tail Wallaby is Extinct.

Taxonomic Classification

Rank	Common Seahorse	Crescent Nail-tail Wallaby
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Actinopterygii (Ray-finned Fish)	Mammalia (mamíferos)
Order	Perciformes (Perch-like Fish)	Diprotodontia (Marsupials)
Family	Pomacentridae (Clownfish & Damselfish)	Macropodidae (Kangaroos)
Genus	Amphiprion (Clownfish)	Onychogalea
Species	Hippocampus kuda	Onychogalea lunata

Evolutionary Relationship

Common Seahorse and Crescent Nail-tail Wallaby share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Crescent Nail-tail Wallaby

EX — Extinct

Physical Characteristics

Attribute	Common Seahorse	Crescent Nail-tail Wallaby
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.

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Seahorse

O cavalo-marinho-comum (Hippocampus kuda) é encontrado em águas tropicais e temperadas. Os machos carregam e dão à luz os filhotes.