Alfken's Mini-miner vs Common Seahorse

Andrena alfkenella compared with Hippocampus kuda

Key Differences

• Alfken's Mini-miner is Near Threatened while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Alfken's Mini-miner	Common Seahorse
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Actinopterygii (Ray-finned Fish)
Order	Hymenoptera (ハチ目)	Perciformes (ペルカ目)
Family	Andrenidae	Pomacentridae (Clownfish & Damselfish)
Genus	Andrena	Amphiprion (Clownfish)
Species	Andrena alfkenella	Hippocampus kuda

Evolutionary Relationship

Alfken's Mini-miner and Common Seahorse share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Alfken's Mini-miner	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Alfken's Mini-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Alfken's Mini-miner

The Alfken's Mini-miner (Andrena alfkenella) is a species in the genus Andrena. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Common Seahorse

タツノオトシゴ（Hippocampus kuda）は熱帯および温帯の海域に分布する。オスが子を育てて出産するという独特な繁殖形態で知られる。