Common Seahorse vs Common Shelduck

Hippocampus kuda compared with Tadorna tadorna

Key Differences

Common Seahorse is Vulnerable while Common Shelduck is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	Common Shelduck
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)	Tadorna
Species	Hippocampus kuda	Tadorna tadorna

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Common Shelduck

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	Common Shelduck
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.

Common Shelduck

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan.

Common Seahorse

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

Common Shelduck

Common Shelduck (Tadorna tadorna) 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.