Common Seahorse vs Gadwall

Hippocampus kuda compared with Mareca strepera

Key Differences

Common Seahorse is Vulnerable while Gadwall is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	Gadwall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Actinopterygii (Ray-finned Fish)	Aves (Birds)
Order	Perciformes (Perch-like Fish)	Anseriformes (Anseriformes)
Family	Pomacentridae (Clownfish & Damselfish)	Anatidae
Genus	Amphiprion (Clownfish)	Mareca
Species	Hippocampus kuda	Mareca strepera

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	Gadwall
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.

Gadwall

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

Common Seahorse

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

Gadwall

Gadwall (Mareca strepera) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.