a bird flea vs Common Seahorse

Ceratophyllus rusticus compared with Hippocampus kuda

Key Differences

• a bird flea is Not Evaluated while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	a bird flea	Common Seahorse
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Actinopterygii (Ray-finned Fish)
Order	Siphonaptera (蚤目)	Perciformes (鲈形目)
Family	Ceratophyllidae	Pomacentridae (Clownfish & Damselfish)
Genus	Ceratophyllus	Amphiprion (Clownfish)
Species	Ceratophyllus rusticus	Hippocampus kuda

Evolutionary Relationship

a bird flea and Common Seahorse share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

a bird flea

NE — Not Evaluated

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	a bird flea	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

a bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, and Sweden.

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.

a bird flea

The a bird flea (Ceratophyllus rusticus) is a species in the genus Ceratophyllus. It is not yet evaluated on the IUCN Red List. It is found across Denmark, Norway, and Sweden, inhabiting diverse terrestrial and freshwater habitats.

Common Seahorse

库达海马（Hippocampus kuda）分布于热带和温带海域，以雄性孕育并生产后代的独特繁殖方式著称。